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References — Cluster B: Identity and Continuity

Research Note 004 — What Makes a Being at t_2 the Same Being as at t_1?

This bibliography provides the foundational philosophical, process-theoretical, and emerging technical sources used in Research Note 004.

The sources address five main Soul Frame problems:

  1. numerical identity versus qualitative similarity,
  2. psychological and causal continuity,
  3. biological and processual persistence,
  4. narrative identity and characterization,
  5. identity continuity and governance for persistent artificial agents.

1. Foundations of Personal Identity

[SF-R035] Locke, John. 1975 [1689/1690].

An Essay Concerning Human Understanding.
Edited by Peter H. Nidditch. Oxford: Clarendon Press.

Especially relevant:

Book II, Chapter XXVII — “Of Identity and Diversity.”

The Nidditch edition was published by Clarendon Press in 1975 and provides a standard scholarly edition of Locke's Essay.

Soul Frame relevance:

  • person versus organism
  • identity through time
  • consciousness
  • memory
  • self-reference
  • responsibility
  • psychological continuity

Locke is a foundational source for the modern psychological approach to personal identity. Contemporary scholarly summaries explicitly trace psychological-continuity theories back to Locke and distinguish his approach from biological persistence criteria.

Soul Frame connection

Locke provides an early basis for the proposition that:

continuity of the person need not require continuity of material substrate.

This is directly relevant to artificial Beings whose:

  • Actor,
  • Body,
  • hardware,
  • tools,
  • or underlying model

may change while other forms of continuity persist.

Locke's view should not, however, be reduced to the simplistic formula:

identity = stored memories.

Later psychological-continuity theories substantially refine the relevant relation.

2. Psychological Continuity, Fission, and Survival

[SF-R036] Parfit, Derek. 1984.

Reasons and Persons.
Oxford: Clarendon Press / Oxford University Press.

The Oxford digital edition carries DOI:

10.1093/019824908X.001.0001

and identifies Part III as dealing specifically with personal identity and continuing existence.

Soul Frame relevance:

  • psychological connectedness
  • psychological continuity
  • Relation R
  • reductionism about persons
  • fission
  • branching
  • survival without strict numerical identity
  • practical importance of continuity

Parfit is one of the most important sources for the Soul Frame distinction:

[ Identity \neq Continuity ]

Contemporary personal-identity literature characterizes psychological continuity as overlapping chains of psychological connections and explicitly notes that branching creates a problem because numerical identity cannot relate one earlier individual to two distinct later individuals.

Soul Frame connection

Parfit provides the theoretical precedent for asking:

What continues even when unique numerical identity can no longer be maintained?

For an artificial fork, relevant continuities may include:

  • memory,
  • intentions,
  • character,
  • relationships,
  • obligations,
  • provenance,
  • and autobiographical history.

This supports the distinction:

Identity asks who continued. Continuity asks what continued.

3. Personal Identity — Contemporary Reference Framework

[SF-R037] Olson, Eric T. 2023.

“Personal Identity.”
The Stanford Encyclopedia of Philosophy.

First published 2002; substantive revision June 30, 2023.

Soul Frame relevance:

  • numerical identity
  • characterization versus persistence
  • psychological-continuity views
  • biological views
  • fission
  • persistence conditions
  • identity evidence
  • personhood

The entry explicitly distinguishes several questions often hidden behind the term personal identity, including:

  • characterization,
  • personhood,
  • persistence,
  • and evidence of identity.

That separation strongly supports Soul Frame's decision not to use identity for several different concepts at once.

The entry is particularly useful as a secondary orientation source connecting Locke, Parfit, animalism, fission, psychological continuity, and competing persistence accounts. It should therefore support terminology reconnaissance rather than replace the primary philosophical works.

4. Animalism and Biological Continuity

[SF-R038] Olson, Eric T. 1997.

The Human Animal: Personal Identity Without Psychology.
Oxford/New York: Oxford University Press.

First published in 1997; Oxford issued a paperback edition in 1999.

The paperback edition is associated with ISBN:

0-19-513423-0

while the original hardcover carries ISBN:

0-19-510506-0.

Soul Frame relevance:

  • animalism
  • biological persistence
  • critique of psychological identity criteria
  • organism continuity
  • question of what kind of entity persists

Olson's animalism provides an important counterweight to psychological-continuity theories. His position treats human beings fundamentally as animals and therefore makes biological persistence central to their identity. Oxford's summary explicitly contrasts this with psychological identity conditions.

Soul Frame connection

Soul Frame need not adopt animalism for artificial Beings.

Its methodological lesson is nevertheless crucial:

Persistence conditions depend on what kind of entity the candidate Being is.

If humans are fundamentally organisms, their persistence may depend on biological organization.

If artificial Beings are fundamentally self-individuating informational processes, their persistence conditions may instead concern continuation of that organization.

This reinforces the logical ordering:

Cluster A — what kind of individual is this?

before:

Cluster B — what makes that individual persist?

5. Narrative Identity and Selfhood

[SF-R039] Ricoeur, Paul. 1992.

Oneself as Another.
Translated by Kathleen Blamey. Chicago: University of Chicago Press.

The University of Chicago Press edition is dated 1992 and contains dedicated sections on Personal Identity and Narrative Identity and The Self and Narrative Identity.

Soul Frame relevance:

  • selfhood
  • sameness
  • narrative identity
  • agency
  • attribution
  • commitments
  • identity through transformation

Ricoeur's treatment is especially important because narrative identity mediates between persistence and change rather than requiring an unchanging collection of properties.

Soul Frame connection

This provides a conceptual basis for distinguishing:

remaining qualitatively similar

from:

remaining the historical self to whom change belongs.

An artificial Being could change:

  • character,
  • capabilities,
  • knowledge,
  • goals,
  • embodiment,

while still integrating those transformations into one intelligible history.

Conversely, an exact replica might preserve extraordinary qualitative similarity without sharing the same unique historical process.

[SF-R040] Schechtman, Marya. 1996.

The Constitution of Selves.
Ithaca, NY: Cornell University Press.

First published in 1996 by Cornell University Press.

Soul Frame relevance:

  • narrative self-constitution
  • reidentification
  • characterization
  • autobiographical coherence
  • self-understanding
  • practical identity

Schechtman explicitly distinguishes what she calls the reidentification question from questions concerning the beliefs, values, experiences, and characteristics through which someone understands who they are.

Soul Frame connection

This gives Soul Frame an important terminological safeguard:

Narrative identity does not automatically settle numerical identity.

Narrative identity principally helps answer:

Who has this Being become?

while numerical identity asks:

Is this literally the same Being?

These questions interact but should not be collapsed.

6. Processual Identity

[SF-R041] Meincke, Anne Sophie. 2018.

“Persons as Biological Processes: A Bio-Processual Way Out of the Personal Identity Dilemma.”

In Daniel J. Nicholson and John Dupré, eds.,
Everything Flows: Towards a Processual Philosophy of Biology.

Oxford: Oxford University Press, pp. 357–378.

DOI:

10.1093/oso/9780198779636.003.0018

Soul Frame relevance:

  • process ontology
  • persistence through change
  • numerical identity
  • biological process identity
  • organization
  • functional unity

Meincke argues explicitly for replacing a static “thing ontology” with a process ontology in which change is ontologically primary and human persons can be understood as higher-order biological processes.

Of particular relevance to Soul Frame is the claim that persistence should focus on organization and functional unity rather than assuming that change and identity are inherently opposed.

Soul Frame connection

This strongly supports the emerging proposition:

A Being is a continuing process, not a static information object.

Accordingly:

  • a checkpoint is not the Being,
  • a database is not the Being,
  • an LLM is not necessarily the Being,
  • and a complete serialized state is not necessarily the Being.

These may all participate in maintaining or reconstructing the process.

7. Personal Identity and Its Practical Consequences

[SF-R042] Dufner, Annette. 2025.

“Personal Identity and Ethics.”
The Stanford Encyclopedia of Philosophy.

First published June 30, 2025.

Soul Frame relevance:

  • numerical versus qualitative identity
  • psychological continuity
  • unique continuity
  • branching
  • responsibility
  • prudential concern
  • biological alternatives

The entry provides a particularly concise contemporary formulation of the distinction between numerical and qualitative identity and explains why psychological branching creates problems for numerical identity.

Soul Frame connection

This is especially useful for future research on:

  • forked obligations,
  • responsibility after radical transformation,
  • inheritance of commitments,
  • and whether successors inherit claims belonging to a predecessor.

Like the Olson SEP entry, it is best used as a secondary synthesis source.

8. Emerging Artificial-Agent Identity Research

The following sources are recent and should be kept conceptually separate from the established philosophical literature.

They are valuable because they demonstrate that questions previously treated mostly as philosophical thought experiments are becoming concrete engineering problems for persistent artificial agents.

They should not yet be treated as settled scientific foundations.

[SF-R043] Qin, Xue, Simin Luan, Cong Yang, and Zhijun Li. 2026.

“Governable Individuals: An Identity Layer for Embodied Agents That Keep Learning.”

arXiv:2607.05463.

DOI:

10.48550/arXiv.2607.05463

First submitted July 6, 2026; revised July 15, 2026.

Soul Frame relevance:

  • persistent artificial individuals
  • identity independent of model weights
  • lifecycle transitions
  • identity commitments
  • authority
  • embodiment rights
  • memory governance
  • capability evolution

The paper explicitly proposes a governable individual whose competence may change while identity-bearing authority structures are updated through signed lifecycle transitions. It attaches identity to a public identity commitment rather than simply to model weights.

Soul Frame connection

This provides a striking technical precedent for:

Actor ≠ Being

and for the Soul Frame hypothesis that artificial identity must survive:

  • model change,
  • memory change,
  • capability change,
  • and embodiment change.

It also motivates the candidate Soul Frame concept:

Identity Commitment

as a governed structure describing which transformations remain compatible with continuity.

[SF-R044] Otsuka, Takumi, Kentaroh Toyoda, and Alex Leung. 2026.

“AI Identity: Standards, Gaps, and Research Directions for AI Agents.”

arXiv:2604.23280.

DOI:

10.48550/arXiv.2604.23280

First submitted April 25, 2026.

Soul Frame relevance:

  • agent identity
  • persistence
  • verifiability
  • accountability
  • delegation
  • identity integrity
  • lifecycle management
  • operational identity

The paper defines AI identity in operational terms and analyzes differences between human and artificial identity across dimensions including substrate, persistence, verifiability, and legal standing.

Soul Frame connection

This helps motivate Soul Frame's distinction between:

Ontological identity

Is this actually the same Being?

Operational identity

Can the entity be authenticated, addressed, governed, and held accountable as a continuing system?

Social identity

Do others recognize and treat it as the same counterpart?

These forms of identity normally ought to align, but technically they can diverge.

[SF-R045] Natangelo, Stefano. 2025.

“The Narrative Continuity Test: A Conceptual Framework for Evaluating Identity Persistence in AI Systems.”

arXiv:2510.24831.

DOI:

10.48550/arXiv.2510.24831

First submitted October 28, 2025; revised November 1, 2025.

Soul Frame relevance:

  • AI continuity
  • situated memory
  • goal persistence
  • autonomous self-correction
  • semantic and stylistic stability
  • persona continuity

Natangelo proposes a five-axis Narrative Continuity Test aimed at evaluating whether AI systems persist coherently across time and interaction gaps.

Soul Frame connection

This is useful adjacent work for evaluating:

continuity of an artificial interlocutor

but Soul Frame should remain stricter about terminology.

Narrative or behavioral continuity can provide evidence for continuity without by itself resolving:

numerical identity of the Being.

Thus the Narrative Continuity Test should be understood as testing one family of continuity evidence rather than solving the entire identity problem.

9. Source-to-Claim Map

Soul Frame claim Principal references
Numerical identity differs from qualitative similarity SF-R037, SF-R042
Personal identity concerns persistence through time SF-R035, SF-R037, SF-R042
Psychological continuity is more than simple memory equality SF-R036, SF-R037, SF-R042
Branching challenges psychological criteria of numerical identity SF-R036, SF-R037, SF-R042
Continuity may matter even where strict identity fails SF-R036
Biological continuity provides a competing persistence theory SF-R038
Identity criteria depend partly on what kind of entity persists SF-R038, SF-R041
Narrative identity differs from numerical reidentification SF-R039, SF-R040
Narrative can integrate transformation into selfhood SF-R039, SF-R040
Persons can be analyzed as processes rather than static objects SF-R041
Change need not automatically destroy identity SF-R039, SF-R041
Model weights need not define persistent artificial identity SF-R043
AI identity requires lifecycle governance and provenance SF-R043, SF-R044
Operational AI identity differs from the metaphysical identity problem SF-R044
AI continuity can be evaluated along several behavioral/narrative dimensions SF-R045
Narrative continuity alone does not prove numerical identity SF-R037, SF-R040, SF-R045
Artificial identity requires distinguishing continuity from lineage SF-R036, SF-R037, plus Soul Frame synthesis
Exact copying does not by itself establish numerical identity SF-R036, SF-R037, SF-R042
Forking requires explicit successor/lineage semantics SF-R036, SF-R042, plus Soul Frame synthesis

10. Research Traditions Crosswalk

The literature now gives Soul Frame several competing answers to:

What makes the Being at t_2 the same Being as at t_1?

Tradition Rough answer
Lockean continuity of consciousness
Neo-Lockean appropriate psychological continuity
Parfitian reductionism psychological continuity may matter more than identity
Animalism continuation of the biological organism
Narrative identity continuation of an intelligible self-constituting history
Process ontology continuation of the organized process through change
AI identity engineering verifiable continuation of governed identity structures

Soul Frame should currently not choose one and discard the others.

Instead they reveal different continuity channels relevant to different kinds of Beings.

11. Core Reading Set for Cluster B

For a manageable foundation I would prioritize these seven sources:

  1. Locke — An Essay Concerning Human Understanding, II.XXVII
  2. Parfit — Reasons and Persons, Part III
  3. Olson — The Human Animal
  4. Ricoeur — Oneself as Another
  5. Schechtman — The Constitution of Selves
  6. Meincke — “Persons as Biological Processes”
  7. Qin et al. — “Governable Individuals”

These establish a particularly productive progression:

consciousness
      ↓
psychological continuity
      ↓
branching / identity reduction
      ↓
biological counter-position
      ↓
narrative selfhood
      ↓
processual persistence
      ↓
persistent artificial identity

The two Stanford Encyclopedia entries should remain close at hand as high-quality maps of the philosophical debate, while Otsuka et al. and Natangelo provide useful current context for the emerging artificial-agent identity problem.

12. Important Epistemic Classification

The bibliography should distinguish source classes explicitly.

Established foundational works

  • SF-R035 Locke
  • SF-R036 Parfit
  • SF-R038 Olson
  • SF-R039 Ricoeur
  • SF-R040 Schechtman

Established contemporary scholarly work

  • SF-R041 Meincke

Authoritative secondary orientation

  • SF-R037 Olson / Stanford Encyclopedia
  • SF-R042 Dufner / Stanford Encyclopedia

Emerging artificial-agent research

  • SF-R043 Qin et al.
  • SF-R044 Otsuka et al.
  • SF-R045 Natangelo

The 2025–2026 AI papers are recent preprints. They are useful evidence that artificial identity, lifecycle persistence, and continuity are becoming explicit engineering research problems, but they should not be given the same epistemic weight as the established personal-identity literature.

13. Terminological Lessons Supported by the Literature

The sources strongly justify keeping the following distinctions separate in Soul Frame:

NUMERICAL IDENTITY
"literally the same individual"

QUALITATIVE SIMILARITY
"has the same properties"

CONTINUITY
"relevant structures persist through time"

CHARACTERIZATION
"what makes this individual the person it is"

NARRATIVE IDENTITY
"how transformations belong to one intelligible self-history"

OPERATIONAL IDENTITY
"how the entity is authenticated and governed"

LINEAGE
"which earlier entity or entities this entity derives from"

SOCIAL IDENTITY
"which entity others believe they are dealing with"

SEP explicitly distinguishes numerical identity from qualitative identity, characterization, personhood, persistence, and evidence questions, while Schechtman's work separates reidentification from characterization.

Soul Frame's concepts of Lineage, Identity Authority, and Identity Usurpation are currently our own synthesis built on these distinctions rather than terminology directly adopted from one of these sources.

14. Research Status

Cluster B currently supports the working proposition:

A Being is not the information that describes it. Its identity concerns the historical continuation of the individuated process through which that information, its transformations, and its relations remain attributable to one evolving entity.

The literature does not yet justify one universal identity criterion.

Instead it provides competing and complementary accounts involving:

  • psychological continuity,
  • biological continuity,
  • causal history,
  • narrative integration,
  • process organization,
  • and increasingly, technically verifiable lifecycle provenance.

This supports retaining the multidimensional Identity Continuity Profile until the Soul Frame framework has been stress-tested against migration, suspension, rollback, fork, merge, amnesia, reconstruction, Spirit, and Ghost cases.