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{"type":"item.completed","item":{"id":"item_1","type":"agent_message","text":"{\"schema_version\":1,\"research_id\":\"eoa_inverse_innovation_exp03_external48_20260801\",\"source_assessment_id\":\"eoa_inverse_innovation_exp03_opportunity320_20260801\",\"cell_id\":\"layer_decay_and_expiration_management__music_musicology\",\"selection_stratum\":\"MIDDLE_BAND_AUDIT_Q3\",\"search_queries\":[\"digital scholarly edition superseded versions persistent citation versioning best practices music edition\",\"MEI Music Encoding Initiative revision history status superseded version encoding official guidelines\",\"digital scholarly editions versioning archived versions current version provenance repository\",\"software heritage archival scholarly source code cite specific version DOI Zenodo GitHub official\",\"repository metadata withdrawn superseded tombstone successor link DataCite relation IsNewVersionOf IsPreviousVersionOf\"],\"sources\":[{\"source_id\":\"S1\",\"title\":\"MEI Guidelines: The MEI Header\",\"publisher\":\"Music Encoding Initiative\",\"url\":\"https://music-encoding.org/guidelines/v5/content/meiHeader.html\",\"source_class\":\"OFFICIAL_GUIDANCE\",\"publication_date\":\"2023-10-31\",\"accessed_at\":\"2026-08-02\",\"claims_supported\":[\"MEI's official header supports revision history, change descriptions, responsible agents, dates, and publication/version metadata for encoded music documents.\",\"MEI provides document-level mechanisms for recording editorial provenance, but the guidance does not define repository-wide current, superseded, quarantined, or deletion-eligible lifecycle states.\"]},{\"source_id\":\"S2\",\"title\":\"MEI Guidelines: Critical Apparatus\",\"publisher\":\"Music Encoding Initiative\",\"url\":\"https://music-encoding.org/guidelines/v5/content/critapp.html\",\"source_class\":\"OFFICIAL_GUIDANCE\",\"publication_date\":\"2023-10-31\",\"accessed_at\":\"2026-08-02\",\"claims_supported\":[\"MEI supports encoding variant readings, editorial interventions, and source attribution inside a critical edition.\",\"Older or alternative readings can be retained as scholarly evidence rather than treated as disposable solely because they are not the preferred reading.\"]},{\"source_id\":\"S3\",\"title\":\"Versioning a Digital Scholarly Edition: The Case of the Carl Maria von Weber Gesamtausgabe\",\"publisher\":\"Journal of the Text Encoding Initiative\",\"url\":\"https://journals.openedition.org/jtei/3975\",\"source_class\":\"PRIMARY_RESEARCH\",\"publication_date\":\"2022-09-23\",\"accessed_at\":\"2026-08-02\",\"claims_supported\":[\"A music-focused digital scholarly-edition project describes versioning as necessary because continual revision conflicts with stable citation and scholarly accountability.\",\"The Weber edition implemented periodic releases, archived versions, version identifiers, and mechanisms for accessing earlier states, demonstrating close domain prior art.\",\"The paper reports that versioning required coordination across edition components and raised questions about granularity, publication cycles, and user communication.\"]},{\"source_id\":\"S4\",\"title\":\"Versioning of Digital Scholarly Editions\",\"publisher\":\"Digital Scholarly Editions Initial Training Network / Austrian Centre for Digital Humanities and Cultural Heritage\",\"url\":\"https://www.dariah.eu/2020/05/28/versioning-of-digital-scholarly-editions/\",\"source_class\":\"AUTHORITATIVE_SECONDARY\",\"publication_date\":\"2020-05-28\",\"accessed_at\":\"2026-08-02\",\"claims_supported\":[\"Digital scholarly editions are mutable while scholarly citation requires stable, identifiable states.\",\"Recommended practices include explicit version numbers, publication dates, change documentation, archived releases, and clear display of the current version.\"]},{\"source_id\":\"S5\",\"title\":\"DataCite Metadata Schema Documentation for the Publication and Citation of Research Data and Other Research Outputs, Version 4.6\",\"publisher\":\"DataCite e.V.\",\"url\":\"https://doi.org/10.14454/mz3r-2m56\",\"source_class\":\"STANDARD\",\"publication_date\":\"2024-12-05\",\"accessed_at\":\"2026-08-02\",\"claims_supported\":[\"DataCite relation types include IsNewVersionOf, IsPreviousVersionOf, IsVersionOf, and HasVersion, enabling persistent links among research-output versions.\",\"The schema also supports resource publication state and metadata needed for durable citation, but it does not itself perform discovery demotion, dependency review, quarantine, restoration testing, or value adjudication.\"]},{\"source_id\":\"S6\",\"title\":\"DOI States\",\"publisher\":\"DataCite Support\",\"url\":\"https://support.datacite.org/docs/doi-states\",\"source_class\":\"OFFICIAL_GUIDANCE\",\"publication_date\":\"2025-10-20\",\"accessed_at\":\"2026-08-02\",\"claims_supported\":[\"DataCite distinguishes draft, registered, findable, and withdrawn DOI states.\",\"Withdrawal preserves a tombstone-style landing page and metadata rather than erasing the record, establishing adjacent lifecycle prior art for persistent scholarly objects.\"]},{\"source_id\":\"S7\",\"title\":\"About versioning\",\"publisher\":\"Zenodo\",\"url\":\"https://help.zenodo.org/docs/deposit/describe-records/software/#versioning\",\"source_class\":\"OFFICIAL_PRODUCT_DOCUMENTATION\",\"publication_date\":\"\",\"accessed_at\":\"2026-08-02\",\"claims_supported\":[\"Zenodo assigns identifiers to individual versions and a concept DOI representing all versions.\",\"Version-aware citation and a latest-version concept are established repository functions, but Zenodo's documented mechanism does not classify heterogeneous editorial layers or govern their archival value and dependencies.\"]},{\"source_id\":\"S8\",\"title\":\"PREMIS Data Dictionary for Preservation Metadata, Version 3.0\",\"publisher\":\"Library of Congress\",\"url\":\"https://www.loc.gov/standards/premis/v3/premis-3-0-final.pdf\",\"source_class\":\"STANDARD\",\"publication_date\":\"2015-06\",\"accessed_at\":\"2026-08-02\",\"claims_supported\":[\"PREMIS models preservation objects, events, agents, rights, relationships, and event outcomes for maintaining digital provenance and understandability.\",\"PREMIS provides strong adjacent prior art for audit trails, dependency/relationship recording, rights constraints, preservation actions, and restoration-relevant documentation.\"]}],\"problem_evidence\":{\"support\":\"MODERATE\",\"rationale\":\"The Weber Gesamtausgabe case directly establishes, in a digital music scholarly edition, the tension between continuously changing content and stable citation/accountability, and documents the need to expose identifiable releases and prior states. MEI and broader digital-edition guidance independently show that revision histories, variants, and explicit versions are central scholarly requirements. However, the bounded search found no quantitative evidence that performers or scholars frequently select superseded music-edition layers as current, nor measured maintenance burden from accumulated renders, transcriptions, and review copies.\",\"source_ids\":[\"S1\",\"S2\",\"S3\",\"S4\"]},\"stakeholder_evidence\":{\"support\":\"MODERATE\",\"rationale\":\"The Weber edition is an actual adopting music-edition project and its published workflow demonstrates editor/developer demand for stable, citable versions. DataCite, Zenodo, MEI, and preservation standards show repository and infrastructure stakeholders already support version relationships, withdrawal states, revision provenance, and preservation events. This is credible institutional pull for portions of the mechanism, but no source documents a commitment to the candidate's complete cross-layer lifecycle regime or demand from performers specifically.\",\"source_ids\":[\"S1\",\"S3\",\"S5\",\"S6\",\"S7\",\"S8\"]},\"prior_art\":{\"proximity\":\"SUBSTANTIAL_COLLISION\",\"closest_analogues\":[{\"name\":\"Carl Maria von Weber Gesamtausgabe release versioning\",\"similarity\":\"Domain-specific digital music-edition practice with periodic named releases, stable citation, archived earlier versions, and user access to historical states; it directly addresses mutable editions competing with scholarly citability.\",\"remaining_difference\":\"The candidate additionally proposes object-level lifecycle states across encodings, annotations, renders, and review artifacts; dependency and preservation-hold checks; discovery demotion; reversible quarantine; restore tests; exception expiry; and deletion eligibility. The searched paper does not establish that this complete governed bundle is implemented.\",\"source_ids\":[\"S3\"]},{\"name\":\"DataCite version relations and withdrawn DOI state\",\"similarity\":\"Persistent scholarly-object infrastructure already expresses predecessor/successor version relations and preserves a visible record when an object is withdrawn.\",\"remaining_difference\":\"It supplies metadata and identifier states, not music-editorial value assessment, heterogeneous layer identity resolution, dependency discovery, quarantine, restoration verification, or recurrent revalidation.\",\"source_ids\":[\"S5\",\"S6\"]},{\"name\":\"Zenodo version DOI plus concept DOI\",\"similarity\":\"Established repository practice preserves individually citable versions while offering an all-versions/latest-oriented identifier, closely matching immutable history with a current pointer.\",\"remaining_difference\":\"It does not determine which edition artifacts are superseded, demote stale layers from project discovery, protect contested or culturally governed readings, test restore paths, or manage expiring exceptions.\",\"source_ids\":[\"S7\"]},{\"name\":\"PREMIS preservation metadata\",\"similarity\":\"Established preservation standard records objects, relationships, events, agents, rights, outcomes, and provenance needed for governed archival actions and reversibility.\",\"remaining_difference\":\"PREMIS is an information model rather than a domain workflow for deciding authority status or measuring mistaken-current retrieval in digital music editions.\",\"source_ids\":[\"S8\"]}],\"distinctive_claim_remaining\":\"A testable difference remains only at the bundle and outcome level: for heterogeneous artifacts within one music edition, adding editor-and-steward-approved lifecycle states, dependency/preservation holds, discovery demotion, reversible quarantine, restore verification, and scheduled revalidation may reduce mistaken-current selection beyond release versioning or a latest pointer without any citation, provenance, access, or reconstruction failure. The individual mechanisms are substantially established prior art; the bounded search did not verify this integrated workflow or its comparative effect.\",\"confidence\":\"HIGH\"},\"implementation_evidence\":{\"support\":\"STRONG\",\"rationale\":\"Implementation components are supported by mature, interoperable practices: MEI can record revision/editorial provenance; DataCite can express version succession and withdrawal while retaining a durable record; Zenodo demonstrates version-specific and concept identifiers; PREMIS models preservation events, rights, relationships, agents, and outcomes. A one-work sandbox can therefore be assembled without inventing core metadata primitives. Safety still depends on manual scholarly, rights, cultural-custody, citation, and dependency review, because none of these standards guarantees complete identity resolution or correct value judgments.\",\"source_ids\":[\"S1\",\"S2\",\"S5\",\"S6\",\"S7\",\"S8\"]},\"scores\":{\"meaningful_impact\":{\"score\":3,\"rationale\":\"Stable citation and accountable access to historical states are documented concerns in a real digital music edition, but no retrieved study quantifies mistaken-current use, downstream performance errors, or maintenance costs.\",\"source_ids\":[\"S3\",\"S4\"]},\"stakeholder_pull\":{\"score\":3,\"rationale\":\"An actual music edition adopted formal release versioning, while MEI, DataCite, Zenodo, and PREMIS institutionalize related functions. Pull for the candidate's more elaborate lifecycle bundle is not directly shown.\",\"source_ids\":[\"S1\",\"S3\",\"S5\",\"S7\",\"S8\"]},\"incremental_advantage\":{\"score\":3,\"rationale\":\"The bundle adds discovery demotion, dependency and preservation holds, quarantine/restore testing, and revalidation beyond archived releases or latest pointers. Its advantage remains hypothetical because no comparative outcome study was found.\",\"source_ids\":[\"S3\",\"S6\",\"S7\",\"S8\"]},\"distinctiveness_plausibility\":{\"score\":2,\"rationale\":\"Close domain prior art already provides archived, identifiable releases and historical access, while standards cover successor links, withdrawn-state tombstones, rights, relationships, and preservation events. Distinctiveness survives only in integration and measured effect.\",\"source_ids\":[\"S3\",\"S5\",\"S6\",\"S7\",\"S8\"]},\"technical_implementability\":{\"score\":4,\"rationale\":\"Existing metadata and repository mechanisms cover most primitives, making a sandbox feasible. Reliable cross-layer identity, citation, derivative, restriction, and dependency discovery remains the hard technical and curatorial constraint.\",\"source_ids\":[\"S1\",\"S5\",\"S6\",\"S7\",\"S8\"]},\"adoption_authority_feasibility\":{\"score\":4,\"rationale\":\"A designated editor and repository steward can authorize a non-production study, and PREMIS/DataCite accommodate rights and provenance records. Rights holders and community custodians must retain veto authority for restricted materials.\",\"source_ids\":[\"S3\",\"S5\",\"S8\"]},\"evidence_readiness\":{\"score\":4,\"rationale\":\"The Weber workflow supplies a realistic baseline, and standards make a non-destructive prototype possible. A preregistered retrieval comparison can directly test selection errors and reconstruction safeguards.\",\"source_ids\":[\"S3\",\"S5\",\"S6\",\"S7\",\"S8\"]},\"safety_net_benefit\":{\"score\":5,\"rationale\":\"Persistent historical versions, withdrawn-record retention, version links, preservation events, rights records, and reversible sandboxing provide strong safeguards if permanent deletion is excluded.\",\"source_ids\":[\"S3\",\"S5\",\"S6\",\"S7\",\"S8\"]},\"scalability\":{\"score\":3,\"rationale\":\"MEI, DataCite, and PREMIS are reusable standards, but each edition still requires expert adjudication of variants, citations, rights, cultural restrictions, dependencies, and historical value.\",\"source_ids\":[\"S1\",\"S2\",\"S5\",\"S8\"]}},\"score_confidence\":\"MODERATE\",\"costs\":{\"first_evidence\":{\"band_2026_usd\":\"10K_TO_50K\",\"scope\":\"Preregister and conduct a non-destructive one-work audit and sandbox retrieval comparison, including artifact inventory, identity/citation/dependency mapping, rights and custody screening, baseline and lifecycle-assisted user tasks, outcome coding, restore checks, and editor/repository review.\",\"confidence\":\"MODERATE\",\"assumptions\":[\"One work contains tens to low hundreds of artifacts.\",\"Repository exports and version records are accessible.\",\"Existing MEI or comparable metadata can be reused.\",\"Labor includes a music editor, repository/preservation specialist, research evaluator, and limited technical support.\",\"No production discovery change or permanent deletion occurs.\"],\"source_ids\":[\"S1\",\"S3\",\"S5\",\"S8\"]},\"initial_deployment_startup\":{\"band_2026_usd\":\"50K_TO_250K\",\"scope\":\"Configure one project with lifecycle policy, metadata mappings, successor links, authority roles, preservation and rights holds, dependency review, user-interface status presentation, audit logging, quarantine storage, restore procedures, accessibility testing, security review, and evaluation instrumentation.\",\"confidence\":\"LOW\",\"assumptions\":[\"Existing edition and repository platforms are extended rather than replaced.\",\"Persistent identifiers and preservation storage already exist.\",\"Manual review resolves incomplete identities and dependencies.\",\"Compliance work is limited to the participating institution and known rights/custody conditions.\",\"Band includes software engineering, scholarly editing, repository labor, coordination, documentation, training, and evaluation setup.\"],\"source_ids\":[\"S3\",\"S5\",\"S6\",\"S8\"]},\"operational_launch\":{\"band_2026_usd\":\"50K_TO_250K\",\"scope\":\"Classify and quality-check the backlog for one established edition project, train staff, communicate status changes, launch monitored discovery behavior, administer exceptions, run restoration exercises, and evaluate user retrieval and preservation outcomes.\",\"confidence\":\"LOW\",\"assumptions\":[\"Scope is one project, not a consortium.\",\"Most artifacts are metadata-assisted but expert-reviewed.\",\"Cited, unique, contested, restricted, or dependency-uncertain items are held from demotion or quarantine.\",\"Existing storage, identifier, access-control, and preservation systems remain usable.\",\"Band includes labor, software integration, storage, coordination, compliance review, and independent evaluation.\"],\"source_ids\":[\"S3\",\"S5\",\"S6\",\"S8\"]},\"annual_recurring\":{\"band_2026_usd\":\"10K_TO_50K\",\"scope\":\"For one project, maintain labels and links, ingest new releases, revalidate exceptions and holds, monitor mistaken-current incidents, test sampled restoration, review rights/custody issues, preserve audit records, patch software, and report outcomes.\",\"confidence\":\"LOW\",\"assumptions\":[\"Artifact growth and disputes remain modest.\",\"No major repository migration or mass format remediation is required.\",\"Periodic expert review is distributed among existing staff rather than a dedicated full-time team.\",\"Storage growth and software licensing are modest relative to labor.\"],\"source_ids\":[\"S3\",\"S6\",\"S8\"]}},\"verified_pipeline_gates\":{\"externally_supported_problem\":{\"status\":\"YES\",\"reason\":\"A primary research case from a digital music scholarly edition directly documents the conflict between continual change and stable citation/accountability and reports a formal versioning response. Prevalence of mistaken-current retrieval is still unmeasured.\",\"source_ids\":[\"S3\",\"S4\"]},\"externally_credible_adopter_or_authorizer\":{\"status\":\"YES\",\"reason\":\"The Weber Gesamtausgabe is a credible domain adopter of formal versioning; a consenting edition's designated editor and repository steward are plausible authorizers, subject to rights-holder and community-custodian authority.\",\"source_ids\":[\"S3\",\"S8\"]},\"distinct_testable_incremental_claim\":{\"status\":\"YES\",\"reason\":\"Against archived releases or a latest-pointer baseline, the candidate can test whether the integrated lifecycle bundle reduces mistaken-current artifact selection without preservation or access harm. The claim is incremental and outcome-based, not a claim that its components are novel.\",\"source_ids\":[\"S3\",\"S5\",\"S6\",\"S7\",\"S8\"]},\"bounded_next_evidence_step\":{\"status\":\"YES\",\"reason\":\"One work can be inventoried and tested with fixed tasks in a sandbox, with no production changes or deletion, and with explicit confusion and reconstruction outcomes.\",\"source_ids\":[\"S1\",\"S3\",\"S5\",\"S8\"]},\"no_unresolved_safety_or_authority_stop\":{\"status\":\"UNCERTAIN\",\"reason\":\"The proposed first study is reversible and standards support rights/provenance records, but actual citations, derivatives, rights, cultural-custody restrictions, and dependencies are project-specific and must be cleared before even temporary discovery demotion. Any unresolved item must remain untouched.\",\"source_ids\":[\"S2\",\"S8\"]},\"credible_cost_scope_and_range\":{\"status\":\"YES\",\"reason\":\"Broad bands are credible for a one-work study and one-project implementation when labor, software, storage, coordination, rights/compliance review, and evaluation are included; direct project cost data were not found, so implementation confidence is low.\",\"source_ids\":[\"S3\",\"S5\",\"S8\"]}},\"next_evidence_step\":\"In one consenting project, preregister a non-production crossover retrieval study for one work and at most 20 clearly duplicated, non-unique artifacts. First inventory identities, citations, derivatives, restrictions, custody claims, and dependencies; exclude every unresolved object. Have representative scholars or performers complete the same fixed passage-selection tasks under (A) the project's ordinary release/latest-pointer interface and (B) a sandbox adding explicit lifecycle labels, successor links, and demotion of superseded artifacts. Falsify the incremental claim if condition B does not reduce the predefined rate of superseded artifacts selected as endorsed, or if any citation cannot resolve, any provenance chain cannot be reconstructed, any restore test fails, or any rights/custody objection arises. Make no production change and delete nothing.\",\"blocking_evidence\":[\"No quantitative estimate yet exists for the frequency or consequence of mistaken-current retrieval in digital music editions.\",\"No direct stakeholder commitment was found for the full lifecycle bundle beyond established release/versioning practices.\",\"Completeness of artifact identity, citation, derivative, restriction, custody, and dependency discovery is unverified for a candidate project.\",\"The comparative benefit over the Weber-style archived-release/current-version baseline has not been measured.\",\"Direct implementation cost observations were not found; resource bands remain scoped estimates.\"],\"research_disposition\":\"PRIOR_ART_DIFFERENTIATION_STUDY\",\"world_novelty_boundary\":\"This bounded search found substantial collision with music-edition release versioning and adjacent repository/preservation standards. It does not establish world novelty or absence of other implementations. Any remaining claim is limited to the integrated workflow and its comparative effect in a defined project, not to version identifiers, archived releases, successor links, tombstones, preservation metadata, quarantine, or restoration practices individually.\"}"}}

2026-08-02T16:28:03.737172Z  WARN codex_rollout::list: state db discrepancy during find_thread_path_by_id_str_in_subdir: falling_back
