{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp03_full320_20260801","cell_id":"layer_decay_and_expiration_management__marine_science","trajectory_id":"R","attempt_index":0,"archetype_slug":"layer_decay_and_expiration_management","domain_slug":"marine_science","decision":"CANDIDATE","problem_id":"superseded_ocean_observatory_data_layers_remain_active","causal_lever_id":"governed_observatory_data_layer_lifecycle","proposal":{"problem":"A long-running ocean observatory continually deposits raw sensor files, corrected releases, calibration/QC versions, and derived products, but superseded layers remain discoverable beside current products while ad hoc cleanup risks erasing inputs needed for reproducibility. HYPOTHESIS: this causes avoidable use of obsolete data and growing storage, search, and stewardship burdens.","actors_substrate":["observatory data stewards","marine scientists and modelers","instrument and calibration teams","repository operators","raw telemetry, QC versions, calibrated releases, and derived products"],"observable_state":"Catalog searches return multiple inadequately distinguished versions; superseded products receive access; hot storage grows; disposition backlogs persist; and some deletion candidates have unresolved citations or derivation dependencies.","consequence":"Researchers may analyze superseded calibrations or products, while stewards either retain everything expensively or delete cautiously and inconsistently, threatening reproducibility.","affected_objective":"Keep authoritative ocean data easy to identify and affordable to retain without breaking scientific lineage, citation, or reconstruction.","structural_mapping":[{"archetype_element":"sequential deposits","domain_realization":"Successive telemetry batches, QC outputs, calibration revisions, and derived-product releases","claim_kind":"INFERENCE"},{"archetype_element":"stale layers mistaken for current truth","domain_realization":"Superseded ocean-data versions remain visible without decisive status markers","claim_kind":"HYPOTHESIS"},{"archetype_element":"retention versus recoverability tension","domain_realization":"Storage and catalog burden conflicts with reproducible reconstruction of published results","claim_kind":"INFERENCE"},{"archetype_element":"governed disposition paths","domain_realization":"Refresh, supersede, tier, compact, quarantine, archive, or delete according to class and dependency","claim_kind":"HYPOTHESIS"}],"component_map":[{"component":"layer_inventory_and_identity_map","status":"direct","domain_realization":"Registry of datasets, files, releases, identifiers, and duplicates"},{"component":"deposition_order_and_age_index","status":"direct","domain_realization":"Ingest, calibration, QC, and release timestamps"},{"component":"retention_policy_matrix","status":"adapted","domain_realization":"Rules by raw, calibrated, derived, and administrative class"},{"component":"decay_function_or_aging_rule","status":"adapted","domain_realization":"Age reduces active-access priority, not scientific validity automatically"},{"component":"expiration_trigger_definition","status":"adapted","domain_realization":"Triggers review or demotion, never automatic scientific destruction"},{"component":"layer_value_and_risk_score","status":"adapted","domain_realization":"Access, uniqueness, citation, recreation cost, sensitivity, and staleness score"},{"component":"dependency_and_reconstruction_check","status":"direct","domain_realization":"Trace citations, workflows, derivations, and calibration lineage"},{"component":"pruning_or_archival_pathway","status":"direct","domain_realization":"Refresh, tier, compact, archive, quarantine, or approved delete"},{"component":"preservation_exception_register","status":"direct","domain_realization":"Named holds for cited, unique, benchmark, or historically valuable data"},{"component":"deletion_audit_and_rollback_window","status":"direct","domain_realization":"Logged soft deletion with a restoration interval"},{"component":"resource_budget_and_storage_tier","status":"direct","domain_realization":"Capacity and cost budgets for hot, warm, cold, and archive stores"},{"component":"review_cadence_and_revalidation_loop","status":"direct","domain_realization":"Periodic review of rules, exceptions, dependencies, and restores"},{"component":"legal_hold_or_compliance_override","status":"adapted","domain_realization":"Funder, repository, consent, investigation, or records hold"},{"component":"hot_warm_cold_access_state","status":"direct","domain_realization":"Access tier assigned from use and retrieval requirements"},{"component":"orphan_layer_detection","status":"direct","domain_realization":"Find uncited, underived, unreferenced layers after lineage tracing"},{"component":"supersession_marker","status":"direct","domain_realization":"Persistent pointer from obsolete release to authoritative successor"},{"component":"layer_compaction_candidate_flag","status":"adapted","domain_realization":"Flag safely bundleable files without discarding scientific resolution"},{"component":"rehydration_or_restore_procedure","status":"direct","domain_realization":"Documented retrieval, decoding, validation, and catalog reconnection"},{"component":"deletion_impact_estimate","status":"direct","domain_realization":"Estimate affected users, publications, workflows, and reconstruction cost"},{"component":"stale_context_detector","status":"adapted","domain_realization":"Detect products invalidated by calibration, QC, schema, or processing changes"}],"mechanism_dispositions":[{"slug":"age_weighted_value_score","disposition":"selected_supporting","contribution_type":"OPERATIONAL","adaptation_or_rejection":"Rank review candidates; age cannot override uniqueness, citation, or hold vetoes.","counterfactual_removal":"Reviews become less scalable but remain possible."},{"slug":"archive_restore_test","disposition":"selected_load_bearing","contribution_type":"SAFETY_GUARDRAIL","adaptation_or_rejection":"Sample archived marine formats and lineage reconnection across age bands.","counterfactual_removal":"Tiering could silently make reproducibility impossible."},{"slug":"cache_eviction_rule","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"Hit-rate eviction misvalues rare but scientifically essential layers; governed tiering suffices.","counterfactual_removal":"The causal chain is unchanged."},{"slug":"dependency_safe_delete_check","disposition":"selected_load_bearing","contribution_type":"CORE_CAUSAL","adaptation_or_rejection":"Gate deletion on live citation, derivation, workflow, and reconstruction references.","counterfactual_removal":"Cleanup can break published-result reconstruction."},{"slug":"lifecycle_storage_tiering_policy","disposition":"selected_load_bearing","contribution_type":"CORE_CAUSAL","adaptation_or_rejection":"Demote by access and age while retaining identity and lossless content.","counterfactual_removal":"Retention remains expensive, sustaining pressure for unsafe deletion."},{"slug":"log_rotation_and_cleanup_job","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"Generational purging is too content-blind for heterogeneous scientific records.","counterfactual_removal":"No necessary control is lost."},{"slug":"retention_schedule","disposition":"selected_load_bearing","contribution_type":"CORE_CAUSAL","adaptation_or_rejection":"Class-specific minima, maxima, dispositions, exceptions, and holds.","counterfactual_removal":"Disposition reverts to inconsistent judgment."},{"slug":"soft_delete_quarantine_window","disposition":"selected_load_bearing","contribution_type":"SAFETY_GUARDRAIL","adaptation_or_rejection":"Impact-sized reversible quarantine precedes destruction.","counterfactual_removal":"Mistaken deletions become immediately irreversible."},{"slug":"stale_layer_detection_dashboard","disposition":"selected_load_bearing","contribution_type":"CORE_CAUSAL","adaptation_or_rejection":"Expose inventory, authoritative status, owners, and evidence of contextual staleness.","counterfactual_removal":"Superseded layers remain difficult to find and disambiguate."},{"slug":"time_to_live_ttl_policy","disposition":"selected_supporting","contribution_type":"OPERATIONAL","adaptation_or_rejection":"TTL initiates review, refresh, or tiering; it never authorizes hard deletion.","counterfactual_removal":"Expiry reviews require scheduled sweeps."},{"slug":"tombstone_or_deletion_marker","disposition":"selected_load_bearing","contribution_type":"SAFETY_GUARDRAIL","adaptation_or_rejection":"Preserve identity, reason, date, and successor after removal.","counterfactual_removal":"Citations become ambiguous and stale copies may resurrect removed versions."}],"causal_chain":["Inventory and version identity expose accumulated and superseded layers.","Staleness signals and class rules separate current authority from retention value.","Scores prioritize review while holds and dependencies veto unsafe action.","Eligible layers are marked, tiered, compacted, archived, refreshed, or quarantined.","Tombstones preserve resolution; restore drills test recoverability.","Revalidation keeps exceptions and rules from becoming permanent by neglect."],"baseline":"Keep most observatory products equally active and searchable; add storage when possible; label or delete versions through project-specific manual decisions.","nearest_rival":"Improve catalog version labels only. This reduces confusion but does not bound active storage, govern exceptions, verify dependencies, or prove archive recovery.","authority_safety":{"affected_parties":["data contributors","scientists reusing data","authors of dependent publications","repository staff","funders and governed communities"],"decision_authority":"Observatory data steward, repository custodian, responsible principal investigator, and records or ethics authority jointly approve policy; affected data governors control applicable restrictions.","authorized_first_step":"Run a read-only pilot on one completed instrument-year: inventory versions, identify supersession and dependencies, simulate dispositions, then restore a sample; make no permanent deletion.","excluded_actions":["hard-delete data during the pilot","alter scientific observations","remove holds or access restrictions","compact with loss of resolution","hide public products without notice and successor routing"],"halt_rollback":"Halt on unresolved identity or dependency, disputed authority, restore failure, checksum mismatch, or affected-party objection; undo status changes and restore quarantined layers."}},"negative_tests":{"strongest_counterevidence":"The observatory may already have unambiguous authoritative-version metadata, bounded storage costs, tested archives, and no observed access to superseded releases; older data may also gain value as time series lengthen.","analogy_break":"Scientific observations are not disposable cache entries: age does not imply declining truth or value, and old layers may be unique, irreplaceable evidence. Only active authority and access tier may decay by default.","failure_condition":"The approach is unsafe if lineage cannot be resolved, lossless preservation cannot be verified, or governance cannot distinguish supersession from legitimate alternative processing.","problem_falsifier":"Reject the diagnosed problem if a representative audit finds negligible superseded-version use, no material search or storage burden, explicit lifecycle states, complete lineage, and routinely successful restores.","intervention_falsifier":"Reject the intervention if the bounded pilot does not reduce obsolete-version selection or review burden, or if it causes broken citations, missed dependencies, unacceptable retrieval delay, or failed reconstruction versus baseline.","risks":["Composite scores create false precision or encode biased value judgments.","Rarely accessed but unique observations may be demoted or deleted.","Cold storage formats, credentials, or tooling may decay.","Tombstones and exceptions may themselves accumulate indefinitely.","Tiering may impose retrieval delays during urgent marine events.","Deletion may conflict with consent, sovereignty, funder, or records obligations."]},"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":0.88,"generator_notes":"Closed-book structural inference from the supplied packet; empirical prevalence and effect sizes remain untested."}