{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp03_full320_20260801","cell_id":"layer_decay_and_expiration_management__cultural_studies","trajectory_id":"R","attempt_index":0,"archetype_slug":"layer_decay_and_expiration_management","domain_slug":"cultural_studies","decision":"CANDIDATE","problem_id":"stale_interpretive_layers_in_community_cultural_archives","causal_lever_id":"governed_lifecycle_for_public_interpretive_context","proposal":{"problem":"Community cultural archives and digital exhibitions accumulate successive captions, tags, content notices, identity terminology, curatorial essays, and contextual annotations. Superseded interpretations can remain publicly discoverable as current, while unrecorded removal can erase evidence of changing power relations, contested readings, and marginalized contributors.","actors_substrate":["community archive stewards and curators","contributors and represented communities","researchers, students, and public visitors","digital collections containing cultural objects and successive interpretive metadata"],"observable_state":"Multiple dated or contradictory interpretive layers remain attached to the same objects without visible currency, supersession, or archival status; users cannot reliably distinguish current guidance from historical framing.","consequence":"Visitors may treat obsolete or harmful framing as authoritative, curators defer cleanup because dependencies and historical value are unclear, and improvised deletion can destroy provenance or silence contested voices.","affected_objective":"Keep public interpretation current and accountable while preserving recoverable evidence of cultural contestation and representational change.","structural_mapping":[{"archetype_element":"sequential deposits","domain_realization":"Successive captions, classifications, annotations, essays, and content notices attached to cultural objects.","claim_kind":"INFERENCE"},{"archetype_element":"stale layers masquerading as current","domain_realization":"Older terminology or interpretations remain equally visible and appear institutionally endorsed.","claim_kind":"HYPOTHESIS"},{"archetype_element":"retention exceptions","domain_realization":"Community significance, evidentiary value, donor terms, litigation, and documentation of past institutional harm can require preservation.","claim_kind":"INFERENCE"},{"archetype_element":"dependency-sensitive disposition","domain_realization":"Exhibitions, citations, teaching materials, and provenance narratives may depend on an interpretive layer even after public retirement.","claim_kind":"INFERENCE"},{"archetype_element":"bounded active stack with recoverable memory","domain_realization":"Current interpretation is foregrounded while superseded material remains labeled, archived, attributable, and restorable under governed access.","claim_kind":"HYPOTHESIS"}],"component_map":[{"component":"layer_inventory_and_identity_map","status":"direct","domain_realization":"Registry linking each cultural object to every interpretive layer, author, date, and version."},{"component":"deposition_order_and_age_index","status":"direct","domain_realization":"Chronology of when each interpretation was published, revised, or imported."},{"component":"retention_policy_matrix","status":"adapted","domain_realization":"Rules by layer type, community significance, sensitivity, and evidentiary value."},{"component":"decay_function_or_aging_rule","status":"adapted","domain_realization":"Age raises review priority but never independently establishes cultural invalidity."},{"component":"expiration_trigger_definition","status":"adapted","domain_realization":"Review is triggered by elapsed time, changed terminology, broken references, community challenge, or object recontextualization."},{"component":"layer_value_and_risk_score","status":"adapted","domain_realization":"Separate, inspectable indicators for present usefulness, representational harm, provenance, and reconstruction value."},{"component":"dependency_and_reconstruction_check","status":"direct","domain_realization":"Check citations, exhibitions, educational materials, provenance chains, and community commitments before removal."},{"component":"pruning_or_archival_pathway","status":"direct","domain_realization":"Refresh, supersede, restrict, archive, compact duplicate metadata, or remove."},{"component":"preservation_exception_register","status":"direct","domain_realization":"Named exceptions for contested history, marginalized testimony, evidentiary need, or designated cultural significance."},{"component":"deletion_audit_and_rollback_window","status":"direct","domain_realization":"Logged soft retirement with a restoration period before irreversible destruction."},{"component":"resource_budget_and_storage_tier","status":"adapted","domain_realization":"Budgets for public visibility, curatorial attention, access latency, and preservation storage."},{"component":"review_cadence_and_revalidation_loop","status":"direct","domain_realization":"Periodic steward and affected-community review of flags, exceptions, and rules."},{"component":"legal_hold_or_compliance_override","status":"direct","domain_realization":"Litigation, donor, privacy, takedown, and institutional-record obligations override ordinary disposition."},{"component":"hot_warm_cold_access_state","status":"adapted","domain_realization":"Current-public, contextual-history, restricted-archive, and deep-preservation states."},{"component":"orphan_layer_detection","status":"direct","domain_realization":"Identify layers with no live citation, exhibition, provenance, or access dependency."},{"component":"supersession_marker","status":"direct","domain_realization":"Visible notice naming the current interpretation while preserving the prior layer's identity."},{"component":"layer_compaction_candidate_flag","status":"adapted","domain_realization":"Flag exact duplicates or routine revisions for lossless consolidation without flattening disagreement."},{"component":"rehydration_or_restore_procedure","status":"direct","domain_realization":"Documented restoration of archived interpretation, attribution, links, and access controls."},{"component":"deletion_impact_estimate","status":"adapted","domain_realization":"Pre-removal assessment of representational, scholarly, community, and provenance consequences."},{"component":"stale_context_detector","status":"adapted","domain_realization":"Flags changed referents, contradicted descriptions, deprecated terminology, broken links, and community objections for human review."}],"mechanism_dispositions":[{"slug":"age_weighted_value_score","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"A composite age-discounted score would falsely objectify contested cultural value; retain separate indicators instead.","counterfactual_removal":"No material loss because review triggers and explicit indicators provide triage without collapsing judgments."},{"slug":"archive_restore_test","disposition":"selected_supporting","contribution_type":"OPERATIONAL","adaptation_or_rejection":"Sample archived annotations across formats and age bands; verify text, attribution, links, and access restrictions restore correctly.","counterfactual_removal":"Archival reversibility would be assumed rather than demonstrated."},{"slug":"cache_eviction_rule","disposition":"incompatible","contribution_type":"NONE","adaptation_or_rejection":"Recent popularity is not a legitimate proxy for cultural or historical worth, and public attention is not a fixed-capacity cache.","counterfactual_removal":"No causal change."},{"slug":"dependency_safe_delete_check","disposition":"selected_load_bearing","contribution_type":"SAFETY_GUARDRAIL","adaptation_or_rejection":"Gate destruction on checks for scholarly, exhibition, provenance, legal, and community dependencies.","counterfactual_removal":"Cleanup could sever citations, accountability, or reconstruction paths."},{"slug":"lifecycle_storage_tiering_policy","disposition":"selected_supporting","contribution_type":"OPERATIONAL","adaptation_or_rejection":"Translate tiers into current-public, historical-context, restricted, and deep-preservation access states.","counterfactual_removal":"Retention remains possible, but active visibility and preservation cost are harder to govern."},{"slug":"log_rotation_and_cleanup_job","disposition":"incompatible","contribution_type":"NONE","adaptation_or_rejection":"Blind generational rotation would discard culturally significant layers solely by sequence.","counterfactual_removal":"No loss; content-sensitive disposition is required."},{"slug":"retention_schedule","disposition":"selected_load_bearing","contribution_type":"CORE_CAUSAL","adaptation_or_rejection":"Define review and disposition rules by interpretive-layer class, with named cultural, legal, and evidentiary exceptions.","counterfactual_removal":"Layers again remain active indefinitely or are removed ad hoc."},{"slug":"soft_delete_quarantine_window","disposition":"selected_load_bearing","contribution_type":"SAFETY_GUARDRAIL","adaptation_or_rejection":"Hide a retired layer from ordinary presentation while retaining logged restoration for a risk-sized grace period.","counterfactual_removal":"Mistaken retirement becomes prematurely irreversible."},{"slug":"stale_layer_detection_dashboard","disposition":"selected_load_bearing","contribution_type":"CORE_CAUSAL","adaptation_or_rejection":"Maintain the inventory and surface semantic staleness signals as review candidates, never automatic verdicts.","counterfactual_removal":"Superseded framing remains distributed and difficult to identify."},{"slug":"time_to_live_ttl_policy","disposition":"selected_supporting","contribution_type":"TEST_DESIGN","adaptation_or_rejection":"Use TTL only as a review-by date that expires current-status claims, not as an automatic deletion clock.","counterfactual_removal":"The pilot loses a consistent prompt for revalidation, but event-based review remains."},{"slug":"tombstone_or_deletion_marker","disposition":"selected_load_bearing","contribution_type":"SAFETY_GUARDRAIL","adaptation_or_rejection":"Leave a durable, minimal marker stating retirement, rationale, date, and successor without republishing harmful content by default.","counterfactual_removal":"Absence becomes ambiguous and superseded layers may be cited or reintroduced as current."}],"causal_chain":["Inventory interpretive layers and expose currency, authorship, chronology, and staleness signals.","Trigger accountable review rather than treating age or an automated flag as proof of invalidity.","Affected-community input, retention rules, exceptions, and dependency checks determine refresh, supersession, restriction, archive, or removal.","Markers and tiered presentation stop retired interpretations from competing with current guidance while preserving provenance.","Soft deletion and tested restoration protect accountability and recovery, allowing the active interpretive stack to remain bounded."],"baseline":"Curators revise pages opportunistically; old interpretations remain live, disappear without durable explanation, or are kept indefinitely because their dependencies and significance are uncertain.","nearest_rival":"Add dates and version history to every annotation but retain all versions in ordinary public presentation; this preserves provenance yet does not prevent stale framing from retaining equal visibility or apparent authority.","authority_safety":{"affected_parties":["people and communities represented by the collection","contributors whose words or classifications may be retired","archive users relying on citations or provenance","curators and institutional record stewards"],"decision_authority":"The archive's designated steward may change visibility; irreversible destruction or contested classification requires documented approval from records/legal authorities and representatives of materially affected communities.","authorized_first_step":"Run an eight-week, metadata-only pilot on at most 50 interpretive layers from one collection: inventory, flag, review with affected representatives, and simulate dispositions; permit reversible supersession for no more than 10 layers and no hard deletion.","excluded_actions":["automatic deletion from age or staleness flags","irreversible destruction during the pilot","silently rewriting contributor attribution","flattening genuine interpretive disagreement into one canonical account","publicly exposing restricted or harmful archived content"],"halt_rollback":"Halt if an affected community contests authority, a dependency is unresolved, restricted content is exposed, or restoration fails; restore prior visibility from quarantine and preserve the audit record pending independent review."}},"negative_tests":{"strongest_counterevidence":"Most supposedly stale layers may already be understood by users as dated historical interpretations, while visible succession itself may be central evidence of institutional and cultural change; demotion could then reduce rather than improve understanding.","analogy_break":"Cultural interpretations are not inert storage objects: their value, harm, and currency are contested, relational, and power-laden, so age, access frequency, and automated contradiction signals cannot determine expiry.","failure_condition":"The approach fails if it privileges institutional curators over represented communities, hides disagreement, reproduces archival silencing, or cannot preserve attribution and reconstruct presentation history.","problem_falsifier":"Across the sampled collection, users reliably distinguish historical from current interpretation, no stale layer is mistaken for present guidance, and unresolved active layers cause no measurable search, trust, or representational problem.","intervention_falsifier":"Compared with dated version history alone, lifecycle treatment does not improve users' identification of current guidance or reduces discovery of relevant historical context, while increasing unresolved disputes, broken citations, or restoration failures.","risks":["Institutional definitions of staleness may suppress marginalized or oppositional interpretations.","Archiving harmful language may either perpetuate harm through access or erase accountability through overrestriction.","Community consultation can become tokenistic or impose uncompensated labor.","Tiering and tombstones may confuse users or expose sensitive metadata.","Legal, donor, privacy, and community obligations may conflict.","Automated flags may encode dominant-language and dominant-culture assumptions."]},"null_rationale":null,"classification":{"candidate_kind":"MECHANISM_ADAPTATION","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":0.8,"generator_notes":"Closed-book structural fit. The candidate treats expiry primarily as loss of active interpretive authority, not destruction; empirical prevalence and comparative benefit remain untested."}