Arc of Self

1Abstract

Identity is modeled as a fourteen-node re-entrant architecture in four phases (Hardware, OS Install, Engine, Loop), with a closed running circuit at nodes 10-14. Cultural concepts, installed through an innate loader (pre-wired core-knowledge systems), assemble into Personality Properties. The Properties generate a standing demand for validation; the demand shapes attention and situation selection; behavior is executed to confirm the self-model. The resulting feedback is filtered in the self-model's favor before it can revise the concepts that produced it. Refined concepts re-enter the circuit through a direct recursion from Refinement to the attention gate (node 14 to node 10). The framework predicts that attenuation of repeated recognition reward can produce Property-specific escalation toward stronger recognition targets or new Properties; that causal bridge remains untested. The framework synthesizes established results (behavioral genetics, core knowledge, predictive processing, self-verification, dissonance, hedonic adaptation). Its contributions are four: this specific ordered fourteen-node architecture; the full loop pass as the unit of analysis; an account of emotional concepts as full-loop configurations, each configuration mapped to date carrying an addressable hot node (the point of maximum intervention leverage); and the Collision Layer, a mechanistic description of how two identity loops modify each other through unlabeled behavioral output. Trauma, faith, and death awareness enter as overlays: parameter changes on existing nodes, not new nodes. Six falsifiable predictions are staked. The framework states its own epistemic status explicitly: it is a concept inside the loop it describes, and Prediction 2 stakes prediction error without a prepared recoding as the loop's single structural opening.

2Introduction

Ask what identity is and the literature answers in segments. Behavioral genetics documents heritable dispositions and gene-environment interplay (Plomin & Deary, 2015; Belsky & Pluess, 2009). Developmental psychology traces how caregivers, peers, and culture shape the growing person (Waters, Merrick, Treboux, Crowell, & Albersheim, 2000; Harris, 1998). Self-psychology describes the structure of self-knowledge (Markus, 1977) and the ways people seek confirmation of it (Swann, 1983). Predictive processing recasts the brain as a prediction machine whose perception and action are model-driven (Clark, 2013; Seth, 2013), and constructionist accounts extend this to emotion (Barrett, 2017). Dissonance theory explains why contradiction is aversive (Festinger, 1957), dual-process theory why most behavior runs on automatic (Kahneman, 2011), and biological accounts assemble the causal chain behind a single act (Sapolsky, 2017).

Each of these accounts is well supported, and closed feedback-loop models exist. Self-regulation theory treats behavior as discrepancy reduction toward goals (Carver & Scheier, 1998), and identity control theory models identity maintenance itself as a control loop: an identity standard, perceived reflected appraisals, a comparator, and behavior that counteracts the discrepancy (Burke, 1991; Burke & Stets, 2009, 2022). But identity control theory's engine is restoration: behavior moves perception back toward a standard that changes only slowly, drifting under persistent discrepancy. The architecture developed here differs on three counts. Feedback is filtered in the self-model's favor before any comparison can use it. The refinement stage rewrites the concept set itself, and the rewritten lens re-enters as the filter through which the next situation is selected, so the standard is the loop's running product rather than its reference point. And hedonic adaptation strips the reward from achieved congruence, so the circuit tends to escalate where a control loop would settle: a proposed tendency, argued in Sections 4 and 5.14, not a derived necessity.

The closest contemporary account is Hirsh's Game of Self, which models a recursive, bidirectional loop between semantic identity and episodic experience: identity shapes experience, experience updates identity, and action can make the environment provide identity-consistent evidence (Hirsh, 2026). It also supplies a precision-weighted Bayesian rule for when an agent reinterprets an episode and when semantic identity changes. The two theories operate at different resolutions. Game of Self formalizes the exchange between semantic identity and episodic experience. The Arc specifies the operating architecture of that exchange: developmental installation, enumerable Personality Properties, identity-relevant recognition pressure, Property-specific filtering before refinement, and re-entry of the refined lens into situation selection. Its claim is that these intermediate stages and their order generate additional, separately falsifiable effects.

This paper presents a fourteen-node model in four phases, connected in a single re-entrant circuit: a developmental lap (nodes 1-14) that builds the machine, and a running circuit (nodes 10-14) that operates it. The lap is not repeated wholesale, but its installation machinery remains available, so new Properties and the self-relevant concepts that carry them can arrive through the loop's single opening. Nearly every node synthesizes established results. The contribution is their architecture: the ordered circuit, the Loop Pass as the unit of analysis, emotional concepts as complete passes with distinct signatures, and the Collision Layer, where two identity loops modify each other through behavior neither party labels as feedback. The model claims no position outside the loop it describes.

The framework emerged from seventeen years of independent development before being systematized against the literature. Its first public form was an interactive visualization at arc-of-self.com. That history neither validates nor disqualifies the architecture; its explanatory and predictive performance must do so.

The text, explorable visualization, and theory-specific conversational interface constitute three coupled forms of one publication. The conversational form is methodological: readers can interrogate the theory node by node on their own cases, making it easier to teach, stress-test, and falsify in use.

3Key Concepts & Definitions

The framework introduces a small set of proper terms, each defined below and positioned against its nearest established counterpart.

4Architectural Overview

The model consists of fourteen nodes organized into four phases, connected in a single closed circuit with two readings: the developmental lap (1-14), which dominates while the machine is built, and the running circuit (10-14), the loop that operates for the rest of life. The lap is never re-run wholesale; its machinery of absorption and self-assembly stays available through the opening described below, which is how adults still adopt new Properties and new self-relevant concepts. The escalator below depends on exactly this. The phase names follow a deliberate computational metaphor (Hardware, OS Install, Engine, Loop) because the metaphor carries real structure: an operating system cannot be installed on bare metal without firmware, and the firmware is not the operating system.

The computational metaphor is scaffolding, not ontology. Brain hardware and software are not physically distinct: installing a concept rewires the substrate, so yesterday's software becomes tomorrow's hardware. The boundary here is developmental, separating what precedes experience from what experience installs. Each node stands on its own evidence; where the metaphor breaks, the model sides with the brain.

Phase 1: Hardware (nodes 1-3). What is present before experience: the genome's influence on cognitive capacities, temperament, and susceptibility to environmental influence; the modular profile of intelligence; and the baseline state of the newborn mind, empty of cultural content but structurally pre-wired to receive it. Phase 1 supplies the loader that makes Phase 2 possible.

Phase 2: OS Install (nodes 4-7). The installation of culture: the socio-cultural circle whose concepts become the person's needs; the specific Actors of Influence who deliver them; the mechanics of Concept Absorption; and Reality Construction, where the accumulated concepts assemble into the world the person can experience. Different circles install different realities: not primarily because brains differ, but because what surrounds them differs.

Phase 3: Engine (nodes 8-9). The installed material assembles into a self: Personality Properties are adopted from available concepts, and from them emerges Personality Properties Recognition, the standing demand that the self-model be validated. Within the identity-maintaining dynamics modeled here, this demand is the engine of rotation.

Phase 4: Loop (nodes 10-14). The running circuit. The Affective Niche filters the environment into Situational Engagement: enrollment, mostly automatic, into situations where Properties can earn recognition. Engagement produces action (inaction included: declining, avoiding, and staying silent are behavioral responses protecting specific Properties from disconfirmation). Action produces feedback, which the brain processes asymmetrically: the framework proposes that Hebbian reinforcement (co-active neurons strengthening their connection; Hebb, 1949) makes confirming feedback cheaper to absorb than disconfirming feedback, so the refinement stage operates on pre-filtered input. Feedback drives Concept Refinement, and the refined concepts re-enter the circuit as the next pass's lens.

The recursion. The circle as drawn is developmental: nodes 1 through 9 build the machine, and the running circuit is nodes 10-14. The loop's re-entry is the arrow from Concept Refinement back to the Affective Niche (14 → 10): refined concepts feed the niche directly, so the lens through which the next situation is selected has already been modified by the last pass. Refinement writes in place into the standing structure, adjusting concept weights in the constructed reality and revising the Properties it houses (nodes 6-9). The 14 → 10 arrow is not a second write channel; it marks where those edits take effect. The rewritten lens is already in force at the attention gate when the next situation is selected, with no re-run of development.

The escalator. Hedonic adaptation pulls the response to repeated recognition toward baseline, though adaptation is partial (Frederick & Loewenstein, 1999; Diener, Lucas, & Scollon, 2006). The framework predicts a further step: as a recognition reward attenuates, the loop tends to seek stronger recognition for the same Property or validation of new ones, turning the recursion into an expanding spiral. Adaptation itself is established; its proposed conversion into escalation is not. Disengagement, satiation, and a change of domain are live alternatives, so the bridge requires its own test below. From birth means the circuit: in the preverbal years it runs on the developmental lap, driven by physiological and safety pressures and preverbal categories, and the Property engine engages as self-descriptive concepts install (Section 3).

The framework hypothesizes that the loop has exactly one structural opening: prediction error for which no prepared recoding is available. When the world visibly fails to match an expectation and the confirmation filter has no standing reinterpretation, new content can enter experience as a raw mismatch. The claim concerns stable revision of adopted Properties and the constructed reality that carries them. Ordinary reinforcement can adjust concept weights without opening the self-model, and neutral novelty enters the world-model continuously through ordinary learning. Prediction 2 stakes the narrower structural claim.

Not every mismatch qualifies. A prepared recoding absorbs the mismatch; the opening is the residual class for which no recoding stands ready. That class is not defined by whether revision follows: the recoding must be elicited before the event, and visible expectation failure supplies an independent marker. Stable self-description revision without that marker counts against the prediction.

The proposed opening's width varies across development: in infancy nearly everything is mismatch, since few predictions are consolidated, so the framework expects installation to proceed at high flow; as the map hardens and the confirmation filter grows around the self-model, it predicts that the same opening narrows to moments. Prediction 2 stakes the claim that qualifying revisions enter here. Seeing one's own loop is accordingly proposed as a repeated event at these moments of failure, a claim restated and closed in Section 5.14. The framework applies this to itself; it does not claim a position outside the loop it describes.

5The Loop: Node-by-Node Analysis

Each node is presented in three registers: its mechanics within the model, the research it stands on, and, marked explicitly, where the author's synthesis begins. The synthesis markers matter: the reader should always know which claims lean on the literature and which are the framework's own.

6Emotional Concepts as Complete Loop Passes

In this framework an emotion is not a discrete module firing, and not a standalone state that visits the person from outside. An emotional concept is a specific configuration of one full pass of the loop: a signature distribution of work across the fourteen nodes, meaning the five running nodes the pass traverses plus the standing structure (nodes 1-9) through which every pass flows (Section 3). This is consistent with the constructed-emotion view that emotions are concept-driven constructions rather than triggered essences (Barrett, 2017); what the architecture adds is addressability. Across every configuration mapped to date, distinctive work clusters at one Hot Node: the point in the circuit where its signature is most visible and where intervention has the most leverage, applied at the node itself or, as in envy's case below, through the node's direct upstream input. Whether single-peak concentration is universal or some emotional concepts run twin-peaked remains open. Three worked examples follow, chosen so that their hot nodes fall at three different points of the circuit.

Envy (hot node: Affective Niche). The envy configuration does its work in attention. To confirm a Property, the system tunes itself to the relevant signals: if the property is "Creative," other people's creative output is noticed; if "Good provider," what other providers deliver. The scan for comparison data is automatic, and it runs only in the domains the person's installed reality marked as meaningful. The felt sting of envy is the output of measurement that already happened. This locates the leverage precisely: not in suppressing the comparison (the niche is upstream of will) but in auditing which Actor of Influence installed the price tag on that domain.

Anger (hot node: Reality Construction). The anger configuration lives in the map: the constructed reality of node 07. Absorbed rules ("fairness exists," "people should behave a certain way") assemble into a working model that does not present itself as a model; it presents itself as reality. A violation is therefore experienced not as a map error but as a world error: the map is right, the world is wrong, and the wrong must be corrected. Behavioral output is enforcement, and the feedback that would help most ("your map might be wrong") is the one signal the configuration is structurally least equipped to receive. Leverage sits at the map's status: the moment a rule is recognized as a rule rather than a law of nature, the enforcement mandate weakens.

Shame (hot node: Feedback Reception). The shame configuration corrupts the return channel. Its behavioral output is concealment (withdrawal, deflection, overcompensation), and the raw social data coming back is often neutral or positive: nothing bad actually happened. But the data does not arrive clean. It passes through a construction that already contains "if they knew, they would reject me," so neutral feedback is recoded: their ease becomes "they did not see it this time," their warmth becomes "they would not be warm if they knew." Successful validation, uniquely, looks like absence: nothing exposed, nothing contradicted. The felt signal is not the feedback itself; it is the recoding construction intercepting the feedback before refinement can use it. Leverage sits in the recoding step, consistent with inhibitory-learning accounts of exposure (Craske, Treanor, Conway, Zbozinek, & Vervliet, 2014): disclosure removes the "if they knew" antecedent, leaving a prediction error the filter has no ready way to recode.

The three configurations use the same fourteen nodes; nothing was added to the architecture to accommodate them. The currently mapped pool covers maladaptive configurations (envy, shame, anger, impostor syndrome, and others); positive-valence passes are unmapped as of this writing and are listed as an open task in Section 9.

7The Collision Layer

Loops do not run in isolation. One person's Behavioral Expression arrives in another person's loop as input, and it arrives unlabeled: behavior does not come stamped with the configuration that produced it. The receiving loop must explain the input using its own map, because that is the only map it has. The explanation it settles on then drives its own behavioral response, which returns to the first loop as equally unlabeled feedback. This coupling of two closed circuits through a channel with no shared labels is the Collision Layer. To our knowledge no single account combines closed two-loop coupling with identity maintenance as the coupling force, though circular-interaction traditions come close (double contingency; participatory sense-making: De Jaegher & Di Paolo, 2007).

The dynamics follow from the architecture. Consider the anger configuration colliding with a receiving loop. Anger's output is correction force: a demand, not a question. The receiver's map converts that force into one of a small number of responses: comply (which hardens the sender's map, since it received compliance instead of counter-evidence), fight (two constructions each presenting itself as reality, each processing the other's resistance as proof), shut down (unreadable silence, which the sender's loop escalates against), or exit (which the sender's refinement records not as "my map was wrong" but as "they could not handle the truth"). The framework's own change mechanism supplies a fifth path: a response the sender's map did not predict, neither compliance nor counter-force (an unexpected question, undefended calm, naming the rule without a verdict). An unpredicted response is a prediction error inside the sender's loop, the one input the correction filter has nothing prepared against, and therefore the only path with a mechanism for opening the sender's map rather than hardening it. In each of the four predicted paths, the receiver's response becomes the sender's next round of feedback, processed through a filter that had already concluded it was right. Neither loop sees the other's mechanics; each is typically certain it is reading the situation correctly.

The nearest existing accounts each capture one arc of this circuit. The looking-glass self describes identity as built from imagined judgments of others (Cooley, 1902). Behavioral-confirmation research shows that one person's expectation measurably reshapes the other's behavior (Snyder, Tanke, & Berscheid, 1977). The Michelangelo phenomenon is closer still: a partner's perceptual and behavioral affirmation predicts movement toward the ideal self and relationship functioning (Drigotas, Rusbult, Wieselquist, & Whitton, 1999). The Arc therefore does not claim dyadic self-shaping as new. Its distinct claim is closed two-loop coupling through unlabeled behavior: each party's identity maintenance becomes the other's environment, and Prediction 5 requires residual self-description change after explicit evaluation and perceived responsiveness are controlled. The framework adds a dose-response boundary: the longer explicit recognition of a Property starves while only behavioral feedback remains, the less stable the relationship is predicted to be with respect to that Property. The architectural reason is labeling: recognition must be attributed to the Property. In ordinary social loops another map supplies the label; unlabeled behavior sustains inference but cannot replace it indefinitely. Section 8 describes an internalized witness that supplies the label from inside.

8Architectural Overlays

Three phenomena are conspicuously absent from the node list: trauma, faith, and death awareness. This is deliberate. They are not nodes; they are overlays: persistent modifiers of how existing nodes operate, without any change to the loop's structure.

Trauma modifies signal sensitivity. It raises threat weighting inside the Affective Niche, lowers the threshold at which Feedback Reception classifies input as attack, and biases Situational Engagement toward avoidance (LeDoux, 2000). Acute trauma can also install content such as "the world is dangerous" through a massive prediction error, consistent with clinical models of post-traumatic cognition (Ehlers & Clark, 2000). Chronic and anticipated trauma need no single massive mismatch: repeated confirmation of installed threat concepts cumulatively recalibrates the same gain. The persistent gain change makes trauma an overlay rather than a node.

Faith and belief systems modify Reality Construction. Faith can install a package that recodes outcomes as messages or purpose and adds an always-present Actor of Influence. Prayer and doctrine frame recognition in terms of specific Properties, allowing an internalized witness to supply the label that unlabeled behavior cannot (Section 7). This can stabilize the loop by making recognition continuously available and insulate it by recoding disconfirming feedback before refinement. The claim concerns the mechanism, not the truth of any faith (Park, 2010).

The same substitution can be secular: a teacher's internalized voice or an imagined future audience can validate a claim. As repeated self-recognition attenuates, persistence may escalate, seek a more available witness, or end after prediction error. Prediction 6 stakes escalation only while the witness remains available. Self-signaling models already predict generic identity treadmills through costly action (Bénabou & Henkel, 2025); the Arc adds the interaction between validation source and witness availability, plus temporal mediation by reward attenuation. Sacrifice is one possible escalation target: its cost becomes evidence of identity and can delay closure. The framework therefore predicts greater post-achievement emptiness when recognition was tied to sacrifice rather than outcome, moderated by the availability of another socially payable Property.

Reward can attach to anticipation: dopaminergic responses transfer to cues that predict outcomes, anticipated consumption has utility, and ritual frequency organizes religious life (Schultz, Dayan, & Montague, 1997; Loewenstein, 1987; Whitehouse, 2004). The Arc combines these findings: rehearsal before an internalized witness can make expected recognition function as payment, sustaining persistence without outcomes while the schedule and witness representation remain intact.

A subsidiary test holds content and rehearsal count constant: more regular rehearsal should predict greater certainty, resource allocation, and persistence after failure, mediated by anticipatory affect. The test controls for social contact, collective practice, public and prior commitment, prior investment, arousal, and expected outcome value. An absent equal-dose schedule effect, or an effect without mediation, counts against the mechanism. An always-available witness remains an overlay because it supplies standing input without adding a node.

Death awareness modifies the weighting inside the Validation Need. Mortality salience shifts striving toward Properties that promise symbolic continuity: legacy, works, children, causes larger than the self. This is the terror-management claim (Greenberg, Pyszczynski, & Solomon, 1986; Becker, 1973), cited as theory rather than settled result since its flagship mortality-salience effect has faced multi-lab replication failure, restated architecturally: awareness of the loop's terminal boundary reweights which recognitions matter, typically away from immediate social validation and toward validation by imagined future audiences.

These three analyses preserve the fourteen-node architecture: the circuit stays intact while its operating parameters change, so the same analysis applies to a traumatized loop, a believing loop, and a mortality-aware loop. Whether every such modifier reduces to parameter changes is an open question.

9Predictions, Limitations & Future Directions

Epistemic status. This framework was produced by the machinery it describes. It served its author's Personality Properties and passed through the same biased feedback filter it documents. The framework claims no view from outside the loop. It is a concept and asks to be judged accordingly: by what it explains, what it predicts, and how it can fail.

The theory predicts its own failure mode. By the model's rules, "I see my loop" is itself a Personality Property. Once adopted, it demands validation like any other: the holder will seek situations confirming their awareness and filter evidence of their own automaticity. The theory thus predicts that its adherents can degrade into dogmatists indistinguishable from adherents of any ideology, and it offers only the mechanism it identifies for everyone else: prediction error, the single moment the filter has nothing prepared. Seeing the loop is a repeated event, not a status; this clause applies to the author and to any adherent of the framework.

Architectural claim. Nearly every individual node stands on established results, cited in Section 5. The central claim is that these mechanisms compose into one re-entrant architecture whose nodes 10-14 form a closed running circuit, and whose full running pass is the correct unit of analysis. The framework therefore stakes six falsifiable predictions that follow from the architecture as a whole rather than from any single node:

1. Property-specific confirmation filtering. Bias in processing social feedback is organized around Personality Properties and scales with each Property's centrality in the person's self-inventory. Generic confirmation bias and motivated reasoning predict bias and stake sensitivity (Kunda, 1990); the Arc predicts a measurable gradient across an enumerable Property set. The gradient must survive cross-domain buffering from affirmation of another central Property (Sherman & Cohen, 2006). Existing work finds that resistance to self-view change scales with a trait's semantic-network centrality (Elder, Davis, & Hughes, 2023). Where semantic centrality and the person's own importance ranking diverge, the Arc follows the inventory. In plain terms: the more central a trait is to who you think you are, the deafer you are to evidence against it. Rank a person's traits by importance and you can predict where they stop hearing.
2. The prediction-error window. Stable self-description revision concentrates immediately after visible expectation failure when no prepared recoding was elicited beforehand. A pre-elicited recoding should produce reinterpretation instead, and the same challenge at a neutral moment should produce less change. Game of Self and Identity Theory already model several routes to identity change (Hirsh, 2026; Burke & Stets, 2022). The Arc predicts that every qualifying route contains the same observable marker: expectation failure without a prepared recoding. Stable revision without that marker falsifies Prediction 2. Trial-level error drives formation and revision of ability self-beliefs, while prior expectations bias the update (Schröder et al., 2025). Reflection after discrepant feedback also increases self-concept change (Brotzeller, Spägele, & Gollwitzer, 2026). The Arc treats reflection as a process inside the window; its distinct claim is the conjunction of time-locking, pre-elicited recoding availability, and the neutral-moment contrast. In plain terms: people rewrite their self-story right after life visibly breaks their expectations, and only when they had no excuse ready in advance. With a ready excuse the surprise gets explained away instead. The same hard truth on a calm day changes almost nothing.
3. Bundle defense. Identity-fusion and belief-network accounts already predict defense of connected units (Swann, Klein, & Gómez, 2024; Elder, Davis, & Hughes, 2023). The Arc's distinctive prediction is a provenance effect: holding present centrality, group identification, and inter-component connectivity constant, Properties co-installed as a named package produce more cross-component defense than equally connected Properties assembled separately. In plain terms: two people can hold the same equally important set of beliefs. The one who received them as one package should defend the whole package more strongly when a single piece is challenged.
4. The self-aware dogmatist. Bias-blind-spot research already predicts that people under-detect their own bias (Pronin, Lin, & Ross, 2002). The Arc's distinctive prediction is property-specific: holding general bias-blind-spot score constant, confirmation filtering about one's awareness increases with the centrality of the Property "I am self-aware," following the same within-person gradient as other Properties. In plain terms: ordinary overconfidence is not enough. The more central "I am self-aware" is to one particular person, the more selectively that exact identity claim should resist correction.
5. Collision without evaluation. Relational-self and self-fulfilling-interaction accounts already predict dyadic influence (Andersen & Chen, 2002; Snyder, Tanke, & Berscheid, 1977). The Arc's distinctive prediction is self-description change from the partner's unlabeled behavioral stream after controlling for explicit evaluation and perceived responsiveness, plus a property-specific dose-response: the longer explicit recognition of a Property starves while only the implicit stream remains, the lower the dyad's stability with respect to that Property. Absence of either signature falsifies the claim. In plain terms: living close to someone should reshape how you describe yourself even after ordinary feedback and relationship support are removed from the explanation. But silent influence has a limit: the longer a part of you goes unspoken, the shakier that exact part of the bond gets.
6. Faith-fed persistence. When an available witness rather than outcomes validates a Property-linked claim, visible failure produces stake escalation instead of revision: the claim stands, timelines extend, and identity stakes grow. Disconfirmation, commitment escalation, and self-signaling research establish the generic pattern (Festinger, Riecken, & Schachter, 1956; Staw, 1976; Bénabou & Henkel, 2025). The Arc predicts two signatures. First, reduced witness availability should weaken persistence more in witness-fed than outcome-fed pursuits after matched failure, controlling for prior investment, responsibility, public commitment, expected value, identity centrality, and social support. Second, attenuation of repeated self-recognition reward must precede and mediate a shift toward sacrifice-based identity stakes. Failure of either signature falsifies the mechanism. In plain terms: an idea fed by results reacts to failure by changing the plan. An idea fed by faith keeps the claim, moves the deadline, and raises the stake. And it needs a witness: take the audience away, real or imagined, and the faith-fed idea loses fuel while the results-fed one keeps going.

Subsidiary spiral test. Following matched recognition events for the same Property, within-person reward attenuation must precede and predict an increase in the magnitude or frequency of targets confirming that Property, or recruitment of a new Property. Adaptation without later escalation, escalation that precedes adaptation, or escalation unrelated to Property confirmation falsifies the hedonic bridge. Mokady and Reggev (2022) predict a generic reconfirmation cycle; Arc predicts Property-organized escalation. This test concerns the spiral mechanism and does not add a seventh architectural prediction.

Known limitations. The model's provenance is a single sustained introspective and observational project, systematized against the literature after the fact; that is a bias source the predictions above are designed to discipline. The Arc proposes a general architecture of identity, not an exhaustive account of every biological or subpersonal mechanism that implements it. Affective, embodied, and fused identity processes are not excluded: they can shape the loop through Hardware, the Affective Niche, Property organization, and feedback, but their mapping onto those nodes remains underspecified (Swann, Klein, & Gómez, 2024). A substrate channel (hormonal, pharmacological, neurological) can alter loop parameters directly and is not separately modeled here. The strength and form of coherence and recognition processes may vary with culturally shaped independent and interdependent selves (Kitayama & Salvador, 2024); universality is therefore a prediction, not an established fact, and inherits the WEIRD-sampling problem (Henrich, Heine, & Norenzayan, 2010). Personality Properties currently lack a standardized measurement instrument (a property-inventory method is a prerequisite for testing predictions 1, 3, and 4). The mapped emotion pool covers maladaptive configurations; positive-valence passes (pride, joy, gratitude) remain unmapped, and mapping them is a direct test of the claim that the same architecture suffices. The computational metaphor's limits are stated in Section 4.

Future directions. Three lines follow naturally: formalization (the loop invites an explicit computational model with simulated collision dynamics), dyadic longitudinal studies instrumenting Prediction 5, and intervention design (hot-node targeting suggests that interventions matched to an emotion's hot node should outperform generic protocols). The interactive form of the theory at arc-of-self.com, where the loop can be traversed and interrogated conversationally, is offered as an instrument for the dissemination and stress-testing of theoretical models generally.

Conclusion. The claim of this paper is architectural: identity is produced by a re-entrant architecture whose nodes 10-14 form a closed running circuit, and whose full running pass is the unit of analysis. Fourteen nodes, nearly all standing on established results, compose into a system that explains self-reinforcement, escalation, resistance to disconfirmation, and the narrow conditions of change. The framework ends where it began, inside the loop it describes: a concept among concepts, asking to be judged by what it explains, what it predicts, and how it can fail.

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