{"closest_prior_art":[{"name":"World Bank Group Archives digital-preservation-plan backlog catalog","overlap":"Reports more than 50 terabytes of born-digital records awaiting ingest and combines a detailed backlog catalog with preservation plans to coordinate and prioritize ingest.","remaining_difference":"The source does not describe a weekly conservation equation for uncleared terabytes, reconciliation residuals across custody locations, or capacity-and-age thresholds tied to preauthorized control recommendations.","source_ids":["SRC1"]},{"name":"Archivematica transfer-backlog management","overlap":"Maintains a preservation-staged backlog whose transfers can be listed, sorted, searched by accession number or ingest date, appraised, retrieved, and processed into long-term storage.","remaining_difference":"The documented product manages individual transfers but does not reconcile aggregate backlog volume to measured inflows and outflows or impose capacity-derived and maximum-age operating thresholds.","source_ids":["SRC3"]},{"name":"Smithsonian born-digital holdings survey","overlap":"Used shared metrics to inventory accessioned media, uncover hidden holdings, assess age-related risk, establish control, and guide stabilization and stewardship planning.","remaining_difference":"This was principally a holdings survey and stabilization initiative, not a recurring stock-flow controller connecting weekly residuals and capacity or age crossings to authorized intake and clearance levers.","source_ids":["SRC2"]},{"name":"NDSA Levels of Digital Preservation","overlap":"Calls for inventorying content and storage locations, documenting storage systems, logging preservation events and file actions, and controlling move or delete authority.","remaining_difference":"It is preservation-capability guidance rather than an uncleared-accession stock ledger with a stable boundary, flow reconciliation, operational reserve, age ceiling, and lag-aware feedback rule.","source_ids":["SRC4"]}],"contrastive_claim_falsifier":"The contrastive claim is falsified if the eight-week reconstruction shows that the existing age-and-throughput workflow already represents all staging locations and material flows with tolerably small residuals and would have produced every same authorized decision at the same or earlier time, leaving reconciliation no additional decision-relevant signal.","contrastive_claim_remaining":"For the same accession workflow, a boundary-stable weekly reconciliation of uncleared terabytes, coupled to verified-capacity and oldest-accession thresholds, may identify materially different or earlier authorized actions than backlog search, age and throughput reporting, preservation-plan prioritization, one-time surveys, cleanup, or storage expansion alone.","experiment_id":"eoa_inverse_innovation_exp13_second_slot_policy60_20260806","gates":{"adequate_source_search":{"rationale":"PASS: The bounded search covered the proposal directly, backlog/hidden-holdings and stabilization terminology, an implemented backlog product and preservation guidance, and combinations involving stock-flow reconciliation, WIP limits, age, staging capacity, and ingest. Four opened direct sources from four publishers were retained; phrase misses were not treated as novelty evidence.","source_ids":["SRC1","SRC2","SRC3","SRC4"],"status":"PASS"},"bounded_next_test":{"rationale":"PASS: An eight-week read-only reconstruction from existing accession, workflow, storage, transfer, and withdrawal logs is finite and decision-oriented. Archivematica documents searchable backlog and ingest fields, while NDSA guidance supports content/location inventories and event or action logs. The test makes no operational change.","source_ids":["SRC3","SRC4"],"status":"PASS"},"distinct_testable_claim":{"rationale":"PASS: The retained art separately supplies measured backlog, catalog-based prioritization, hidden-holdings surveys, searchable transfer queues, inventories, and logs, but no retained source discloses their combination as a weekly terabyte balance with residual investigation, capacity reserve, age ceiling, and lag-aware authorized responses. Whether that combination changes decisions is falsifiable.","source_ids":["SRC1","SRC2","SRC3","SRC4"],"status":"PASS"},"no_obvious_safety_or_authority_stop":{"rationale":"PASS: The authorized first step is read-only and preserves intake, access, retention, donor terms, and disposition. Human approvals and rollback conditions are explicit; this is consistent with prior art emphasizing controlled deletion authority, action logs, and access restrictions. No obvious safety or authority stop applies to retrospective measurement.","source_ids":["SRC3","SRC4"],"status":"PASS"},"supported_problem":{"rationale":"PASS: A primary practitioner report documents more than 50 terabytes awaiting ingest; Smithsonian found thousands of previously hidden accessioned media and substantial age-related risk; and Archivematica implements an explicit transfer backlog. These establish visible uncleared accumulation and hidden-holdings concerns, though they do not independently prove the proposal's rate-reporting failure mechanism.","source_ids":["SRC1","SRC2","SRC3"],"status":"PASS"}},"prior_art_disposition":"ADJACENT_PRIOR_ART","problem_evidence":{"finding":"The problem is visible: WBG Archives reported a born-digital ingest backlog exceeding 50 terabytes; Smithsonian's cross-unit survey uncovered 6,613 previously unidentified storage-media pieces across more than 470 accessions and found about 91,000 files at severe age/format risk; Archivematica explicitly provides preservation-staged backlog storage. Evidence for the narrower assertion that rate-only reporting masks capacity pressure is indirect rather than directly demonstrated.","source_ids":["SRC1","SRC2","SRC3"],"status":"PARTLY_SUPPORTED"},"research_id":"eoa_inverse_innovation_exp13_light_screen_20260806","schema_version":1,"screen_id":"E13P055","screen_survival":true,"search_lanes":{"component_combination":{"no_result_note":"No retained source disclosed the complete domain combination of weekly terabyte stock-flow reconciliation, unexplained-residual probes across hidden staging locations, verified-capacity reserve, oldest-accession ceiling, and lag-aware authorized levers. Generic WIP-limit results were not treated as domain prior art or novelty proof.","queries":["\"stock-flow\" \"digital preservation\" backlog","\"reconciliation\" \"born-digital\" backlog ingest storage","\"work in progress limit\" archives digital preservation ingest","\"capacity threshold\" Archivematica backlog"],"source_ids":["SRC1","SRC2","SRC3","SRC4"]},"direct_problem_and_intervention":{"no_result_note":null,"queries":["born-digital accession backlog preservation processing storage staging capacity backlog","digital preservation backlog survey unprocessed born digital collections","digital preservation backlog metrics terabytes age queue accession"],"source_ids":["SRC1","SRC2","SRC3"]},"products_practices_and_standards":{"no_result_note":null,"queries":["Archivematica backlog storage capacity dashboard transfer backlog official","site:ndsa.org Levels of Digital Preservation storage inventory content locations workflow","site:loc.gov digital preservation inventory custody storage locations transfer records"],"source_ids":["SRC3","SRC4"]},"synonyms_and_historical_terms":{"no_result_note":null,"queries":["born-digital holdings survey hidden holdings stabilization inventory age risk","unprocessed born-digital holdings transfer backlog preservation readiness","digital preservation workflow accession inventory storage quarantine"],"source_ids":["SRC2","SRC3","SRC4"]}},"sources":[{"claims_supported":["The WBG Archives had a backlog exceeding 50 terabytes of born-digital records awaiting ingest.","A detailed catalog of backlog sources and record types was combined with Digital Preservation Plans to coordinate and prioritize ingest."],"publisher":"iPRES 2024 / DigiPresPubs","source_id":"SRC1","source_type":"PRIMARY_RESEARCH","title":"Leveraging Digital Preservation Plans to Tackle Backlogs","url":"https://www.digipres.org/publications/ipres/ipres-2024/papers/leveraging-digital-preservation-plans-to-tackle-backlogs/"},{"claims_supported":["The survey sought to uncover hidden born-digital holdings and establish physical and intellectual control using shared methods and metrics.","It identified 6,613 previously unidentified media pieces containing 651,629 files across more than 470 accessions.","Age and accessibility were used in risk classification; approximately 91,000 files were classed as severe risk."],"publisher":"Smithsonian Institution Archives","source_id":"SRC2","source_type":"PRIMARY_RESEARCH","title":"Born Digital Collections Holdings Survey","url":"https://siarchives.si.edu/what-we-do/digital-curation/born-digital-collections-holdings-survey"},{"claims_supported":["Archivematica 1.18 provides backlog storage after basic preservation microservices.","The backlog lists transfers and supports sorting and searches by accession number, ingest date, filename, extension, or transfer UUID.","Moving a transfer from backlog into long-term processing is an explicit workflow step, and deletion requires separate administrator confirmation."],"publisher":"Artefactual Systems Inc.","source_id":"SRC3","source_type":"FIRST_PARTY_PRODUCT","title":"Backlog — Archivematica 1.18.0 Documentation","url":"https://www.archivematica.org/en/docs/archivematica-1.18/user-manual/backlog/backlog/"},{"claims_supported":["The Levels include inventory of content and its storage location, documentation and monitoring of storage systems, and preservation-event metadata.","They recommend identifying move and delete authorization and maintaining logs of file and preservation actions.","The guidance addresses preservation capability but expressly does not cover whole-program policy, staffing, or organizational support."],"publisher":"National Digital Stewardship Alliance","source_id":"SRC4","source_type":"OFFICIAL_GUIDANCE","title":"The NDSA Levels of Digital Preservation: An Explanation and Uses","url":"https://www.ndsa.org/documents/NDSA_Levels_Archiving_2013.pdf"}],"world_novelty_boundary":"This bounded public-web screen found adjacent practices and guidance but no opened source matching the full claimed control frame. It cannot establish world novelty, patentability, market size, expert acceptance, realized value, or the absence of undiscovered implementations, internal procedures, patents, or differently worded prior art."}