{"closest_prior_art":[{"name":"EAC-CPF maintenance history and identity-description model","overlap":"The archival authority standard represents persons, families, and organizations; supports multiple identities, names, resource relationships, sources, record identifiers, maintenance agents, timestamps, and lifecycle events including revision, deletion, merge, split, and replacement.","remaining_difference":"Its maintenance events describe changes to an EAC-CPF record instance. The retained source does not specify fine-grained evidence-status-aware authority decisions as the canonical substrate, dual valid/record time, or deterministic replay of identity clusters, work attributions, affected-description lists, and decision-time discovery displays.","source_ids":["SRC1"]},{"name":"OCLC Connexion LC superseded authority versions","overlap":"Authorized catalogers can retrieve earlier iterations of an LC authority record, including latest, intermediate, and original versions, directly addressing part of the historical-reconstruction objective.","remaining_difference":"This is record-version history rather than an event-primary account of individual assertions, decisions, transformations, evidence conflicts, and downstream propagation. The source does not establish replayable decision-time attribution or discovery projections.","source_ids":["SRC2"]},{"name":"Alma Authority Control Task List","overlap":"Alma reports authority deletions, splits, redirects, ambiguous matches, preferred-term corrections, before/after bibliographic headings, and linked bibliographic records requiring manual handling. It therefore exposes important downstream effects of authority changes.","remaining_difference":"The task list is an operational reporting and remediation facility whose entries are retained for only the most recent six months. The documentation does not describe a durable append-only decision ledger, bitemporal evidence assertions, correction lineage, or independently rebuildable historical projections.","source_ids":["SRC3"]},{"name":"VIAF clustering, forced links, and corrective practices","overlap":"VIAF repeatedly processes contributed authority and bibliographic data into identity clusters, recognizes erroneous mixed-name merges and duplicate-driven splits, supports strong or forced links, and permits manual intervention to pull clusters together or apart.","remaining_difference":"The guidance describes current clustering inputs, matching behavior, and corrective controls, not a governed historical event substrate that can reproduce what was known at a selected decision time and explain every included or excluded downstream work reference under pinned evidence and access rules.","source_ids":["SRC4"]}],"contrastive_claim_falsifier":"The contrastive claim is falsified if an existing authorized authority-control facility can, for the sampled cases, derive the selected-time identity cluster, preferred label, redirect map, work or collection attributions, and complete affected-description membership solely from stable typed decision events carrying valid time, record time, provenance, uncertainty, access status, and correction lineage, with deterministic independent replay and no undeclared mutable state.","contrastive_claim_remaining":"Unlike the located record histories, maintenance-event metadata, clustering services, and short-lived downstream task reports, the proposal makes bounded identity assertions and authority decisions—not record snapshots—the governed historical substrate, then deterministically derives disposable, versioned identity, label, attribution, redirect, affected-record, and decision-time display projections under explicit evidence, access, conflict, frontier, and correction rules.","experiment_id":"eoa_inverse_innovation_exp13_second_slot_policy60_20260806","gates":{"adequate_source_search":{"rationale":"PASS: Direct-title and intervention searches, older authority-history and superseded-record terminology, standards and product searches, and component-combination searches were run. Exactly four opened direct sources were retained from four publisher groups, including an official archival standard, official guidance, and first-party product documentation. No exact domain implementation of the full combination was located, but phrase misses were not treated as novelty evidence.","source_ids":["SRC1","SRC2","SRC3","SRC4"],"status":"PASS"},"bounded_next_test":{"rationale":"PASS: The proposed 15-case read-only shadow reconstruction is bounded by one cataloging unit, named case types, frozen policies and projector version, existing authorized evidence, concrete replay outputs, snapshot comparisons, and explicit failure observations. The located systems supply realistic merge, split, redirect, ambiguity, version-history, and propagation cases against which the shadow approach can be compared.","source_ids":["SRC1","SRC2","SRC3","SRC4"],"status":"PASS"},"distinct_testable_claim":{"rationale":"PASS: The remaining distinction is structural and falsifiable: authority decisions with dual time and evidence state must be primary, while historical clusters, labels, attributions, redirects, affected records, and displays must be reproducible projections. The retained sources implement adjacent pieces but do not document that combined contract.","source_ids":["SRC1","SRC2","SRC3","SRC4"],"status":"PASS"},"no_obvious_safety_or_authority_stop":{"rationale":"PASS: No obvious stop applies to a read-only shadow ledger using already authorized evidence, provided existing restrictions on identity information and public-data exposure are preserved. Production edits, consequential identity guessing, and disclosure of restricted names or evidence remain excluded; any need to cross those boundaries triggers the stated halt and deletion procedure.","source_ids":["SRC1","SRC4"],"status":"PASS"},"supported_problem":{"rationale":"PASS: The sources show that authority identities and linked headings undergo revisions, merges, splits, redirects, deletions, and automated propagation; VIAF documents erroneous merges and splits, while Alma exposes ambiguous matches and affected bibliographic headings. Earlier record versions and EAC-CPF maintenance histories mitigate the problem but do not demonstrate complete decision-time reconstruction of downstream attribution states.","source_ids":["SRC1","SRC2","SRC3","SRC4"],"status":"PASS"}},"prior_art_disposition":"ADJACENT_PRIOR_ART","problem_evidence":{"finding":"The operational problem is visible but only partly established at its strongest scope. Official and first-party sources confirm mutable authority records, erroneous identity clustering, split and redirect handling, ambiguous matches, and propagated bibliographic-heading changes. They also show partial historical facilities—superseded record versions and EAC-CPF maintenance histories. None of the retained sources establishes that libraries generally cannot regenerate every earlier cluster and downstream attribution, so that broader inability remains for the bounded test to measure.","source_ids":["SRC1","SRC2","SRC3","SRC4"],"status":"PARTLY_SUPPORTED"},"research_id":"eoa_inverse_innovation_exp13_light_screen_20260806","schema_version":1,"screen_id":"E13P006","screen_survival":true,"search_lanes":{"component_combination":{"no_result_note":"No direct library or archival result was found combining event-primary authority decisions, bitemporal evidence, deterministic replay, correction lineage, and downstream attribution projections; only generic temporal/event-sourcing material and the retained adjacent components appeared.","queries":["library authority control \"event sourcing\" identity cluster","archival authority \"bitemporal\" merge split provenance","authority identity cluster replay projection correction lineage catalog","event sourced authority records library identity merge split provenance bitemporal"],"source_ids":["SRC1","SRC3","SRC4"]},"direct_problem_and_intervention":{"no_result_note":null,"queries":["\"Replayable Authority-Identity Decision Ledger\"","library authority control reconstruct historical state merge split authority record change history attribution","authority identity cluster replay projection correction lineage catalog"],"source_ids":["SRC1","SRC2","SRC3","SRC4"]},"products_practices_and_standards":{"no_result_note":null,"queries":["site:eac.staatsbibliothek-berlin.de EAC-CPF maintenanceHistory maintenanceEvent revision history","site:knowledge.exlibrisgroup.com Alma authority control task list split redirection linked bibliographic records history","site:help.oclc.org authority history file merge split record restore history bibliographic headings","VIAF cluster history split merge identifier changes OCLC"],"source_ids":["SRC1","SRC2","SRC3","SRC4"]},"synonyms_and_historical_terms":{"no_result_note":null,"queries":["archival authority records version history EAC-CPF identity merge split","authority history file superseded authority records OCLC Connexion","VIAF authority cluster forced links mixed names duplicate split","library authority record history versions merge split lineage catalog system"],"source_ids":["SRC1","SRC2","SRC4"]}},"sources":[{"claims_supported":["EAC-CPF models archival authority descriptions for corporate bodies, persons, and families, including multiple-identity arrangements, names, sources, and resource relationships.","Its required maintenance history records lifecycle events with event type, date/time, responsible human or machine agent, and optional description.","Its maintenance statuses include revised, deleted, cancelled, deletedMerged, deletedReplaced, and deletedSplit."],"publisher":"Society of American Archivists Encoded Archival Context Working Group / Staatsbibliothek zu Berlin","source_id":"SRC1","source_type":"OFFICIAL_STANDARD","title":"EAC-CPF Tag Library","url":"https://eac.staatsbibliothek-berlin.de/schema/taglibrary/cpfTagLibrary2019_EN.html"},{"claims_supported":["OCLC Connexion provides access to LC superseded authority-record versions.","The workflow exposes brief earlier iterations and permits inspection of latest, intermediate, and original versions."],"publisher":"Library of Congress","source_id":"SRC2","source_type":"OFFICIAL_GUIDANCE","title":"Accessing Earlier Versions of Authority Records Using OCLC's Record History","url":"https://www.loc.gov/catworkshop/courses/naco/pdf/supplementary_materials/NACO_Supplement_Accessing%20earlier%20versions%20of%20Authority%20records%20using%20OCLC.pdf"},{"claims_supported":["Alma reports authority-record deletion, split, redirect, update, ambiguous matching, and preferred-term correction effects on linked bibliographic headings.","For certain changes it lists each affected linked heading or record and can show before/after heading values.","Authority Control Task List entries are retained only for the most recent six months."],"publisher":"Ex Libris","source_id":"SRC3","source_type":"FIRST_PARTY_PRODUCT","title":"Using the Authority Control Task List","url":"https://knowledge.exlibrisgroup.com/Alma/Product_Documentation/010Alma_Online_Help_%28English%29/Metadata_Management/060Working_with_Authority_Records/010Using_the_Authority_Control_Task_List"},{"claims_supported":["VIAF is periodically updated and reprocessed from participant authority and bibliographic data.","Mixed-name clusters can merge unrelated entities, while duplicate source records can cause cluster splits.","Strong or forced links and manual controls can join or separate clusters, and citing an erroneous cluster-wide VIAF identifier can reinforce problematic links."],"publisher":"OCLC / VIAF Council","source_id":"SRC4","source_type":"OFFICIAL_GUIDANCE","title":"VIAF Guidelines","url":"https://www.oclc.org/content/dam/oclc/viaf/VIAF%20Guidelines.pdf"}],"world_novelty_boundary":"This bounded public-web screen supports only an adjacent-prior-art disposition. It cannot establish world novelty, patentability, market size, expert acceptance, realized value, or the absence of undisclosed, unindexed, proprietary, local, or differently described implementations."}