{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp03_full320_20260801","cell_id":"layer_decay_and_expiration_management__art_aesthetics","trajectory_id":"R","attempt_index":0,"archetype_slug":"layer_decay_and_expiration_management","domain_slug":"art_aesthetics","decision":"CANDIDATE","problem_id":"obsolete_artwork_state_layers_masquerading_as_current","causal_lever_id":"governed_artwork_state_lifecycle","proposal":{"problem":"For versioned, time-based, digital, or repeatedly reinstalled artworks, successive files, builds, display instructions, conservation treatments, and interpretive records can accumulate without explicit authority or lifecycle states. Obsolete layers may then be mistaken for the current work during installation or interpretation, while indiscriminate cleanup can erase provenance, reversibility, or historically significant states.","actors_substrate":["artists and artist estates","conservators and registrars","curators and installers","researchers and viewers","artwork files, versions, installation instructions, treatment records, and interpretive documents"],"observable_state":"A collection contains multiple identity-linked artwork states and instructions whose dates, supersession relations, dependencies, current authority, and preservation status are incomplete or difficult to inspect; staff repeatedly reconcile conflicting materials before display.","consequence":"A work may be installed or interpreted from a superseded state, staff attention is consumed resolving ambiguity, and cleanup may make an earlier state unreconstructable.","affected_objective":"Preserve historically meaningful and reconstructable artwork states while making the currently authorized state unambiguous and keeping the active working set bounded.","structural_mapping":[{"archetype_element":"sequential deposits","domain_realization":"Successive artwork builds, media assets, installation specifications, conservation interventions, and interpretive records.","claim_kind":"HYPOTHESIS"},{"archetype_element":"stale layers remain active by default","domain_realization":"Superseded files or instructions remain discoverable beside authoritative materials without conspicuous status labels.","claim_kind":"HYPOTHESIS"},{"archetype_element":"removal threatens reconstruction and historical meaning","domain_realization":"Earlier states may document artistic change, permit future reconstruction, or establish provenance even when unsuitable for current installation.","claim_kind":"INFERENCE"},{"archetype_element":"lifecycle governance","domain_realization":"Assign each artwork-related layer an identity, authority, age, dependency, retention class, access tier, and reversible disposition.","claim_kind":"INFERENCE"}],"component_map":[{"component":"layer_inventory_and_identity_map","status":"adapted","domain_realization":"Registry linking every file, instruction, treatment, and interpretation to an artwork and state."},{"component":"deposition_order_and_age_index","status":"direct","domain_realization":"Creation, receipt, modification, exhibition, and supersession chronology."},{"component":"retention_policy_matrix","status":"adapted","domain_realization":"Rules by material class and artistic, evidentiary, operational, and rights significance."},{"component":"decay_function_or_aging_rule","status":"adapted","domain_realization":"Age reduces operational priority, not cultural value, unless corroborated by access and supersession signals."},{"component":"expiration_trigger_definition","status":"adapted","domain_realization":"Review triggered by supersession, elapsed inactivity, format risk, or exhibition closure; never automatic destruction solely by age."},{"component":"layer_value_and_risk_score","status":"adapted","domain_realization":"Triage score for current utility, uniqueness, provenance, reconstruction value, rights exposure, and misinstallation risk."},{"component":"dependency_and_reconstruction_check","status":"direct","domain_realization":"Trace installations, assets, documentation, citations, and reconstruction paths before removal."},{"component":"pruning_or_archival_pathway","status":"direct","domain_realization":"Refresh, label, demote, compact, archive, quarantine, or destroy."},{"component":"preservation_exception_register","status":"direct","domain_realization":"Named holds for artist intent, provenance, research, legal, or historical significance."},{"component":"deletion_audit_and_rollback_window","status":"direct","domain_realization":"Record authorization and retain recoverable deletion for a fixed grace period."},{"component":"resource_budget_and_storage_tier","status":"direct","domain_realization":"Budget active, nearline, and preservation storage separately."},{"component":"review_cadence_and_revalidation_loop","status":"direct","domain_realization":"Revalidate authority and exceptions before installations and at periodic collection reviews."},{"component":"legal_hold_or_compliance_override","status":"adapted","domain_realization":"Override disposal for disputes, rights obligations, loans, or institutional record requirements."},{"component":"hot_warm_cold_access_state","status":"direct","domain_realization":"Current installation package, working archive, and preservation archive."},{"component":"orphan_layer_detection","status":"direct","domain_realization":"Identify layers with no live installation, provenance, citation, or reconstruction dependency."},{"component":"supersession_marker","status":"direct","domain_realization":"Mark obsolete states and point to the authorized successor without erasing history."},{"component":"layer_compaction_candidate_flag","status":"adapted","domain_realization":"Flag duplicate derivatives or packaging that can be consolidated without changing meaningful states."},{"component":"rehydration_or_restore_procedure","status":"direct","domain_realization":"Document retrieval, decoding, validation, and reconnection of archived artwork states."},{"component":"deletion_impact_estimate","status":"direct","domain_realization":"Estimate loss of uniqueness, provenance, dependencies, rights evidence, and reconstruction capacity."},{"component":"stale_context_detector","status":"adapted","domain_realization":"Flag instructions or interpretations contradicted by later artist-approved or curatorial states."}],"mechanism_dispositions":[{"slug":"age_weighted_value_score","disposition":"selected_supporting","contribution_type":"TEST_DESIGN","adaptation_or_rejection":"Use only to rank review candidates; cultural significance and holds veto age discounting.","counterfactual_removal":"The pilot remains viable but manual sampling becomes less consistent."},{"slug":"archive_restore_test","disposition":"selected_load_bearing","contribution_type":"SAFETY_GUARDRAIL","adaptation_or_rejection":"Restore sampled archived states across formats and age bands before trusting demotion.","counterfactual_removal":"Archival could silently become irreversible loss, hard-gating safe cleanup."},{"slug":"cache_eviction_rule","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"Recency-based instantaneous eviction is too weak a proxy for artistic or evidentiary value.","counterfactual_removal":"No material change; tier transitions need review rather than cache logic."},{"slug":"dependency_safe_delete_check","disposition":"selected_load_bearing","contribution_type":"SAFETY_GUARDRAIL","adaptation_or_rejection":"Treat installation, provenance, citation, and reconstruction references as deletion blockers.","counterfactual_removal":"Cleanup could break display or erase reconstructability."},{"slug":"lifecycle_storage_tiering_policy","disposition":"selected_load_bearing","contribution_type":"CORE_CAUSAL","adaptation_or_rejection":"Demote inactive but significant layers instead of forcing keep-active versus destroy.","counterfactual_removal":"The system would not bound the active set while preserving history."},{"slug":"log_rotation_and_cleanup_job","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"Generational position cannot represent heterogeneous artistic significance.","counterfactual_removal":"No change; artwork states are not a uniform append-only stream."},{"slug":"retention_schedule","disposition":"selected_load_bearing","contribution_type":"CORE_CAUSAL","adaptation_or_rejection":"Define class-specific review and retention rules with artistic, legal, and historical exceptions.","counterfactual_removal":"Disposition would lack consistent authority and exception handling."},{"slug":"soft_delete_quarantine_window","disposition":"selected_load_bearing","contribution_type":"SAFETY_GUARDRAIL","adaptation_or_rejection":"Quarantine only approved deletion candidates, with grace scaled to estimated impact.","counterfactual_removal":"Mistaken cleanup becomes immediately irreversible."},{"slug":"stale_layer_detection_dashboard","disposition":"selected_load_bearing","contribution_type":"OPERATIONAL","adaptation_or_rejection":"Expose identity, authority, supersession, ownership, and suspected contextual staleness without acting automatically.","counterfactual_removal":"Obsolete layers remain hard to find and continue masquerading as current."},{"slug":"time_to_live_ttl_policy","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"Fixed self-expiry is incompatible with uncertain and potentially increasing cultural value; elapsed time may trigger review only.","counterfactual_removal":"No loss; review triggers supply the useful temporal function safely."},{"slug":"tombstone_or_deletion_marker","disposition":"selected_load_bearing","contribution_type":"OPERATIONAL","adaptation_or_rejection":"Leave a durable supersession or deletion record resolving references to the successor or archival record.","counterfactual_removal":"Absence becomes ambiguous and obsolete copies can regain apparent authority."}],"causal_chain":["Inventory artwork-related layers and resolve their identities.","Detect conflicting, stale, superseded, duplicate, and orphaned states.","Apply class rules, value-risk triage, holds, and dependency checks.","Keep the authoritative package active; label or tier preserved predecessors; quarantine only approved removals.","Test restoration and retain tombstones plus decision records.","Reduce obsolete material presented as current while preserving reconstruction and accountability."],"baseline":"Staff retain most materials in shared drives or collection folders and resolve version authority ad hoc when preparing an exhibition.","nearest_rival":"Improve conventional version naming and collections documentation while keeping every layer equally active and searchable.","authority_safety":{"affected_parties":["artists and estates whose intent may be misrepresented","institutions responsible for custody and display","curators, conservators, installers, researchers, and viewers"],"decision_authority":"The institution's designated collections authority, with artist or estate consultation where agreements or artistic intent require it; automated tools may recommend but not authorize destruction.","authorized_first_step":"For one consenting collection unit, inventory a bounded sample of 30 artwork-related layers, label status in a reversible overlay, and simulate dispositions without deleting originals; compare authority-resolution time and errors on blinded installation tasks.","excluded_actions":["automatic hard deletion","expiry based solely on age or access","overriding legal, loan, artist-agreement, or preservation holds","altering the publicly presented artwork without normal curatorial authorization"],"halt_rollback":"Halt if a proposed disposition lacks provenance or dependency confidence, an affected rights-holder disputes authority, or any restore drill fails; remove overlay labels and restore quarantined layers from the unchanged originals."}},"negative_tests":{"strongest_counterevidence":"Earlier or apparently obsolete states may be intentionally coequal, aesthetically meaningful, or more valuable over time; additional labeling may falsely impose a single canonical work state and add administrative burden without preventing mistakes.","analogy_break":"Artwork layers are not fungible records: ambiguity, material aging, obsolete technology, and multiple authentic states can constitute the work itself. Therefore decay may govern operational prominence but cannot presume declining artistic value.","failure_condition":"The approach fails if meaningful states cannot be distinguished from disposable duplication, authority is inherently plural, dependencies remain untraceable, or preservation storage and restoration competence are unavailable.","problem_falsifier":"Across the bounded collection, staff can already identify the authorized state and reconstruct predecessors reliably, obsolete layers do not cause installation or interpretation errors, and active-set growth creates no material search or maintenance burden.","intervention_falsifier":"Compared with ordinary documentation, the pilot does not reduce time or errors in selecting authorized materials, or it produces false stale flags, disputed canonicalization, failed restores, or loss of reconstruction capacity beyond predefined tolerances.","risks":["Erasing artistically meaningful ambiguity or minority interpretations","Treating composite scores as objective cultural-value judgments","Rights or privacy exposure during inventory and restoration drills","Archive-format decay or incomplete dependency maps","Governance labels becoming stale and acquiring false authority"]},"null_rationale":null,"classification":{"candidate_kind":"MECHANISM_COMPOSITION","prior_art_status":"UNSEARCHED","evidence_maturity":"HYPOTHESIS"},"revision_change_log":{"revision_kind":"ORIGINAL","prior_problem_id":null,"prior_causal_lever_id":null,"problem_changed":false,"causal_lever_changed":false,"conceptual_changes":[],"operational_changes":[],"repairs_addressed":[]},"confidence":0.79,"generator_notes":"Closed-book structural transfer. Empirical prevalence and effect claims remain hypotheses; no novelty claim is made."}