{"abstention_reason":null,"arm":"SUBSTRATE_DIVERSE_P2","candidate_id":"continuity_rupture_regime_diagnosis_and_transition_design__library_information_science__SUBSTRATE_DIVERSE_P2","cell_id":"continuity_rupture_regime_diagnosis_and_transition_design__library_information_science","decision":"PROPOSAL","experiment_id":"eoa_inverse_innovation_exp13_second_slot_policy60_20260806","proposal":{"actors":["Audiovisual archivists","Collection conservators","Special-collections curator","Preservation scientist","Facilities and cold-storage staff","Researchers requiring access to original carriers","Rights and records stewards","Emergency-preparedness staff"],"affected_objective":"Preserve the recoverable content, evidentiary characteristics, annotations, sequence, and custody history of a cellulose-acetate film collection while reducing irreversible carrier decay and maintaining safe, documented access.","arm":"SUBSTRATE_DIVERSE_P2","authority_safety":{"authorized_first_step":"The preservation committee may authorize passive acidity indicators, temperature and relative-humidity loggers, enclosure-headspace sampling, and a reversible six-week storage pilot using duplicate or already-designated test reels in one isolated cabinet; production catalog records and normal access rules remain unchanged.","decision_authority":"A preservation committee comprising the collection conservator, audiovisual archivist, curator, facilities engineer, preservation scientist, and records steward approves treatment gates; the library director must approve collection-scale relocation or construction of permanent cold storage.","excluded_actions":["No destructive sampling of unique carriers","No collection-wide freezing or refrigerated relocation during the first step","No discarding, washing, chemical treatment, or separation of original leaders, splices, cans, labels, or annotations","No assumption that digitization authorizes disposal of an original carrier","No return of an acid-emitting test reel to a shared cabinet until the conservator confirms safe containment","No automated environmental control capable of changing collection conditions without independent physical limits"],"halt_rollback":"Stop the pilot if condensation appears, enclosure acidity rises faster than the untreated comparison, emulsion blocking or dimensional distortion increases, a logger indicates conditions outside the approved envelope, or a test reel becomes unsafe to handle. Return test materials to their documented pre-pilot safe condition when feasible, isolate any unstable reel in a ventilated conservation enclosure, preserve all measurements and photographs, and require conservator review before resuming."},"baseline":"The acetate-film collection remains distributed among ambient cabinets, mixed-age cans, and a small refrigerated room. Staff respond to odor, visible warping, or occasional spot measurements reel by reel. Sparse observations cannot distinguish reversible moisture-related deformation from cumulative hydrolysis, cabinet-level acid accumulation, or an autocatalytic threshold. Consequently, gradual rehousing may continue after decay has accelerated, while abrupt transfer of the entire collection could create condensation, access disruption, and loss of carrier context without demonstrating that every segment requires the same regime.","candidate_id":"continuity_rupture_regime_diagnosis_and_transition_design__library_information_science__SUBSTRATE_DIVERSE_P2","causal_chain":["Cellulose-acetate carriers undergo material hydrolysis that releases acidic volatile products; temperature, moisture, and retained acidic vapor can accelerate further molecular breakdown.","Sparse odor and visual inspections blur gradual aging, reversible humidity response, and self-accelerating decay, especially when cabinet averages hide a few rapidly deteriorating reels.","Passive acidity indicators, calibrated temperature and relative-humidity instruments, enclosure-headspace measurements, dimensional checks, and repeated physical inspections make reel-, can-, cabinet-, room-, and seasonal trajectories separately observable.","A bounded pilot that varies fixed temperature, humidity, ventilation, vapor barriers, and replaceable molecular-sieve packs tests whether changing heat, moisture, and acid transport alters the trajectory as predicted.","Step-down and recovery observations on duplicate or designated test material reveal threshold ranges, lag, condensation risk, and whether return to prior conditions restores the previous state or exposes hysteresis.","The legacy map separates information content from carrier-level evidence, annotations, splices, sequence, containers, access practices, and custody records so stabilization does not erase historically significant material features.","The measured regime determines tempo: immediately isolate high-acidity emitters, move threshold-near groups through acclimatized cold-storage gates, retain stable groups temporarily under instrumented passive buffering, and avoid indefinite mixed storage once cabinet feedback is demonstrated.","Refrigeration, controlled humidity, vapor barriers, ventilation, and acid-sorbing material directly change thermal and molecular transport, slowing the deterioration mechanism independently of software, training, or organizational process.","Continued physical measurements and condition checks detect unexpected acceleration, condensation, sorbent exhaustion, access damage, or recovery failure and trigger a slower acclimatization path, changed enclosure treatment, or safe isolation."],"cell_id":"continuity_rupture_regime_diagnosis_and_transition_design__library_information_science","consequence":"Misclassifying self-accelerating acetate decay as smooth aging can allow recoverable images, sound, splices, and annotations to become irreversibly unusable before scheduled treatment. Misclassifying all aging as an imminent rupture can drive a cliff relocation that causes condensation, handling damage, unnecessary access restrictions, and loss of carrier context while consuming scarce cold-storage capacity.","diversity_from_prior_proposals":"This opportunity concerns thermochemical deterioration of analog carriers, physical microenvironments, and spatial storage transition. P1 concerns stigmatizing subject terminology, retrieval links, authority records, and a shadow index. The affected problem, intervention, and causal path are therefore materially independent: no vocabulary replacement, catalog crosswalk, ranking behavior, or descriptive-governance repair supplies this proposal's effect.","experiment_id":"eoa_inverse_innovation_exp13_second_slot_policy60_20260806","intervention":"Install a passive, cabinet-stratified physical measurement array across one acetate-film collection and conduct a reversible storage-regime pilot on duplicate or designated test reels. Compare ambient control, ventilated isolation, vapor-barrier enclosures with replaceable molecular-sieve packs, and acclimatized refrigerated storage while measuring acidity, temperature, relative humidity, dimensional change, odor-independent condition markers, and recovery after bounded environmental steps. Use the resulting threshold and hysteresis profile to choose a hybrid physical transition: immediate isolation of strong acid emitters, staged acclimatized cold relocation of threshold-near cabinets, temporary instrumented buffering for stable groups, preservation of carrier context and custody records, and explicit gates for accelerating, pausing, or reversing each storage step.","mechanism_mapping":[{"counterfactual_removal":"Without measurements at multiple resolutions, a stable room average could conceal an acid-emitting reel or cabinet approaching rapid deterioration, while seasonal variation could be mistaken for a permanent state change.","mechanism_slug":"multi_resolution_change_point_and_trend_comparison","role":"Compare acidity, temperature, relative humidity, dimensional stability, and condition markers by reel, enclosure, cabinet, room, week, and season around alternative onset and relocation boundaries."},{"counterfactual_removal":"Without testing material pathways, odor or deformation alone could be attributed incorrectly to moisture cycling, hydrolysis, enclosure off-gassing, ventilation failure, or measurement drift.","mechanism_slug":"process_tracing_and_mechanism_discrimination","role":"Trace moisture and heat exposure, acidic-vapor generation and retention, enclosure exchange, sorbent response, dimensional change, and handling history against rival degradation mechanisms."},{"counterfactual_removal":"Without paired claims, visible continuity of image content could minimize carrier rupture, while an acidity alarm could obscure stable annotations, sequence, or recoverable access functions.","mechanism_slug":"continuity_rupture_claim_matrix","role":"Pair evidence of preserved content, physical structure, annotations, access, and custody with evidence of molecular decay, deformation, brittleness, acid emission, and subgroup-specific loss at stated scales and intervals."},{"counterfactual_removal":"Without bounded physical perturbation and recovery observation, the committee could not distinguish a linear response from accelerating decay, estimate safe acclimatization limits, or learn whether returning to ambient conditions restores the prior trajectory.","mechanism_slug":"threshold_hysteresis_and_reversibility_probe","role":"Apply approved temperature, humidity, ventilation, and sorbent steps to duplicate or designated test material and observe response, lag, recovery, condensation, and entry-versus-exit thresholds."},{"counterfactual_removal":"Without rehearsal, condensation, enclosure mismatch, access delays, cabinet feedback, or unusable return paths could appear only after collection-scale relocation.","mechanism_slug":"parallel_transition_and_cutover_rehearsal","role":"Run ambient, isolated, buffered, and refrigerated physical regimes concurrently on bounded test groups, rehearse acclimatization and retrieval, and verify safe-state isolation before any larger cutover."},{"counterfactual_removal":"Without post-transition inspection, average cold-room conditions could mask local acid accumulation, exhausted sorbents, handling damage, lost annotations, or deterioration that continues despite relocation.","mechanism_slug":"post_transition_legacy_loss_and_regime_audit","role":"Inspect carrier condition, enclosure chemistry, environmental gradients, content recoverability, annotations, sequence, custody documentation, access burden, and recovery performance after each authorized storage gate."}],"nearest_rivals":["Digitize the collection in catalog order while leaving original carriers in unchanged storage","Move every acetate reel immediately into a freezer without diagnosis or acclimatization rehearsal","Replace cans and insert molecular sieves uniformly without measuring enclosure-specific response","Continue odor-based annual inspection and treat only visibly warped reels"],"negative_tests":{"intervention_falsifier":"Reject the proposed differentiated transition if calibrated measurements show no material difference in deterioration trajectory among the tested physical regimes, if acidity and dimensional markers fail to respond in the predicted direction, if buffered or cold treatments produce greater net damage than ambient control, or if the measured threshold profile cannot prospectively identify deterioration in a held-out test group.","problem_falsifier":"The problem is not a continuity–rupture regime problem if repeated calibrated measurements demonstrate slow approximately linear aging across reels and scales, no cabinet-level feedback or threshold range, no hysteresis or material difference among transition tempos, and an already-validated uniform storage procedure with safe acclimatization and recovery.","risks":["Passive acidity indicators may be affected by placement, enclosure chemistry, or calibration drift.","A short pilot may miss seasonal moisture loads or slow deterioration.","Duplicate and already-degraded test material may not represent unique reels.","Opening cans for measurement may temporarily alter the headspace being studied.","Molecular sieves or vapor barriers may create harmful local conditions if incorrectly sized or replaced.","Cold relocation can cause condensation or embrittlement-related handling damage.","Isolation may restrict researcher access and shift labor onto conservation staff.","Digitized surrogates may encourage premature devaluation of original carrier evidence.","Odor and acidic emissions may pose staff-exposure concerns requiring existing occupational-safety controls."],"strongest_counterevidence":"A year of calibrated reel- and cabinet-level observations could show uniformly slow, non-accelerating deterioration with no headspace accumulation, no threshold behavior, and equivalent outcomes under ambient, buffered, ventilated, and refrigerated conditions after accounting for handling. That result would support routine condition-based preservation rather than a differentiated rupture-transition regime."},"next_evidence_step":"For six weeks, instrument one isolated cabinet containing a stratified sample of 24 duplicate or treatment-authorized reels. Establish two weeks of baseline acidity, temperature, relative humidity, dimensions, and standardized condition photographs; then assign matched reels to ambient control, ventilated isolation, vapor-barrier plus molecular-sieve, and acclimatized refrigeration arms. Include passive cabinet sentinels and independent calibration checks. Report trajectories, lag, recovery, condensation events, enclosure gradients, handling time, preserved carrier features, missing observations, and whether predeclared threshold signatures predict the final two weeks. Do not destructively sample unique carriers or change the wider collection.","observable_state":"For every test reel and enclosure: carrier type and condition; acidity-indicator value and calibration status; temperature and relative-humidity trajectory; enclosure-headspace reading; dimensions, curl, shrinkage, brittleness, blocking, and odor-independent visual markers; can, leader, splice, annotation, sequence, and custody state; treatment arm and acclimatization history; sorbent mass and replacement status; condensation or handling events; content-recovery check; cabinet position; measurement missingness; recovery after each bounded step; staff-access time; and divergence between predicted and observed threshold behavior.","prior_art_status":"UNSEARCHED","problem":"An audiovisual archive must decide whether an aging cellulose-acetate film collection can remain under gradual item-level conservation or requires a staged or decisive transition to isolated cold storage. Odor, warping, and occasional acidity readings suggest deterioration, but the archive cannot tell whether it is observing smooth aging, reversible humidity effects, cabinet-level accumulation, or an autocatalytic threshold with an asymmetric recovery path. The uncertainty operates across reels, enclosures, cabinets, rooms, and seasons, while any relocation must preserve original carriers, annotations, sequence, custody evidence, safe access, and scarce cold-storage capacity.","proposal_index":2,"remaining_contrastive_claim":"The opportunity is not merely environmental monitoring, routine rehousing, emergency quarantine, or digitization. Its contrastive claim is that multi-scale physical measurements and bounded material perturbations can diagnose whether carrier deterioration is gradual, threshold-driven, or hysteretic and thereby justify different transition tempos for different physical groups while preserving carrier evidence and rehearsing recovery.","revision_record":{"claim_changes":["Initial version frames cellulose-acetate threshold behavior, treatment response, and transition tempo as falsifiable hypotheses rather than established collection facts."],"conceptual_changes":["Initial version defines continuity and rupture across molecular carrier condition, recoverable content, annotations, sequence, custody evidence, access, and cabinet-scale environmental feedback."],"evidence_changes":["No repository or external evidence was consulted; prior art remains unsearched.","The first evidence step includes matched physical controls, calibration checks, missingness records, and a held-out prediction interval."],"operational_changes":["Initial version restricts environmental perturbation to duplicate or treatment-authorized reels in one isolated cabinet.","Collection-wide relocation, destructive sampling, disposal, and uncontrolled automated environmental changes are excluded."],"parent_version":null,"progress_targets_addressed":["Materially independent physical-substrate opportunity","Complete continuity–rupture diagnosis and transition lifecycle","Explicit physical causal chain and counterfactual independence","Multi-scale observables and bounded reversible probe","Decision authority, exclusions, halt conditions, and safe isolation","Problem and intervention falsifiers","Legacy, access, recovery, and distributional safeguards"]},"schema_version":1,"structural_mapping":[{"archetype_element":"Change Object, Property, and Invariant Frame","domain_realization":"Separate molecular carrier integrity, recoverable audiovisual content, original annotations and splices, reel sequence, enclosure context, custody evidence, access, and staff safety; require every continuity or rupture claim to name reel or group, property, scale, interval, and observation method."},{"archetype_element":"Multi-Scale Timeline and Boundary Set","domain_realization":"Construct reel-, enclosure-, cabinet-, room-, and seasonal trajectories around alternative odor reports, measurement dates, enclosure changes, environmental excursions, and candidate onset or completion boundaries."},{"archetype_element":"Change-Mechanism and Regime Classifier","domain_realization":"Discriminate gradual hydrolysis, reversible moisture deformation, accumulated acidic headspace, threshold acceleration, thermal or humidity shock, enclosure-induced change, and observer or instrument effects using physical process signatures."},{"archetype_element":"Continuity–Rupture Evidence Ledger","domain_realization":"Pair evidence that content, dimensions, annotations, sequence, and access persist with evidence of acid emission, shrinkage, brittleness, blocking, deformation, or lost recoverability, recording scale, provenance, calibration, uncertainty, and missing observations."},{"archetype_element":"Threshold, Path-Dependence, and Reversibility Profile","domain_realization":"Estimate acidity and environmental ranges associated with acceleration, condensation, enclosure feedback, lag, and unequal entry and exit paths through bounded temperature, humidity, ventilation, sorbent, and recovery steps."},{"archetype_element":"Affected-Party, Legacy, and Loss Map","domain_realization":"Assign original carriers, content, containers, leaders, splices, annotations, sequence, custody records, finding aids, researcher access, staff knowledge, and unsafe materials to preserve, stabilize, document, duplicate, isolate, translate, or retire."},{"archetype_element":"Transition-Regime, Safeguard, and Cutover Plan","domain_realization":"Compare continued ambient care, itemwise rehousing, ventilated isolation, molecular-sieve buffering, staged acclimatized refrigeration, and decisive cabinet relocation by deterioration risk, delay, capacity, access burden, condensation, reversibility, and recovery."},{"archetype_element":"Regime Monitor, Recovery, and Revision Loop","domain_realization":"Track acidity, thermal and humidity gradients, sorbent condition, carrier deformation, content recoverability, condensation, handling damage, access delay, documentation continuity, prediction error, and recovery after each gate, with authority to pause, isolate, slow, or redesign the physical regime."}],"substrate_contract":{"counterfactual_independence":"If governance meetings, training, software, databases, algorithms, alerts, and digital environmental controls are removed, fixed refrigeration, controlled humidity, ventilated or vapor-barrier enclosures, and acid-sorbing molecular-sieve material still alter heat, water-vapor, and acidic-molecule transport around the carriers and therefore retain the intervention's essential preservation effect. Measurements can be read and recorded manually.","forbidden_channel_audit":"Governance supplies authorization and records; staff practice supplies safe handling; software may graph measurements or issue alerts. None creates the essential effect. The causal work is performed by physical temperature and humidity conditions, spatial isolation, enclosure permeability, ventilation, and chemical sorption. No physical noun substitutes for an information-routing, incentive, training, or computational intervention.","primary_allowed_process":"PHYSICAL_MATERIAL"},"title":"Instrumented Physical Transition for Threshold Decay in Cellulose-Acetate Film Collections","version":0},"schema_version":1}