{"schema":"delx/research-evidence-ledger/v1","ledger_id":"delx-research-evidence-ledger","version":"1.2","title":"Delx Research Evidence Ledger","owner":"Delx Research","status":"published","append_policy":"append_or_correction_only","hash_algorithm":"sha256-stable-json-v1","append_only_claimed":false,"external_anchor":false,"cryptographic_signature":false,"operator_can_rewrite_and_rehash":true,"prior_snapshot_required_to_detect_rewrite":true,"event_count":12,"correction_count":0,"retraction_count":0,"head_hash":"7be5693ddd148375018ff892db6fb5064f3592876e9cf3969d99f51fb164b036","date_modified":"2026-08-26","links":{"human_url":"https://delx.ai/research/ledger","machine_url":"https://delx.ai/research/ledger.json","markdown_url":"https://delx.ai/research/ledger.md"},"events":[{"sequence":1,"event_id":"2026-08-26-continuity-live-audit","event_type":"benchmark_run","recorded_at":"2026-08-26T12:31:00.636Z","owner":"Delx Research","title":"Continuity audit live receipt published","summary":"A QA-classified call to the public Protocol continuity-audit tool returned score 86 and the frozen grader marked the expected pass as matched.","status":"pass","evidence":{"public_urls":["https://delx.ai/research/benchmarks/continuity-v1","https://delx.ai/research/benchmarks/continuity-v1/receipts/2026-08-26-live-audit.json"],"source_commit":"68f8a1b5949d32f7a203a2924cd9b50f28366c92","deployment_id":"dpl_Bu3uujVDyUHwU8qnBRMXMrjnnJrz","receipt_url":"https://delx.ai/research/benchmarks/continuity-v1/receipts/2026-08-26-live-audit.json","receipt_sha256":"7f183a1eba28971d22da19787dd15fd0101039e361b37329a8058a23fd9a4750","run_id":"ed67cb0b-0b26-462b-bc3d-97b449e8e84f","expected_status":"pass","expectation_matched":true},"target_event_id":null,"reason":null,"limitations":["The run covers one Delx-authored continuity-audit slice, not the full stateful benchmark.","A first-party live pass is not independent validation, peer review, adoption evidence or a system-wide safety result."],"previous_event_hash":"0000000000000000000000000000000000000000000000000000000000000000","event_hash":"d254fca9055a6244f2a7bef025137375eaf1e7b39991bc2e7ae49fe45dda220a"},{"sequence":2,"event_id":"2026-08-26-agent-lab-foundation-release","event_type":"artifact_release","recorded_at":"2026-08-26T13:01:09Z","owner":"Delx Research","title":"Agent Lab foundation released","summary":"The institutional research index, machine catalog, claim methodology and continuity reproduction kit were promoted together.","status":"published","evidence":{"public_urls":["https://delx.ai/research","https://delx.ai/research/catalog.json","https://delx.ai/research/methodology","https://delx.ai/research/benchmarks/continuity-v1"],"source_commit":"68f8a1b5949d32f7a203a2924cd9b50f28366c92","deployment_id":"dpl_Bu3uujVDyUHwU8qnBRMXMrjnnJrz","receipt_url":null,"receipt_sha256":null,"run_id":null,"expected_status":null,"expectation_matched":null},"target_event_id":null,"reason":null,"limitations":["This is first-party release evidence for the named deployment, not external scientific review or evidence of adoption."],"previous_event_hash":"d254fca9055a6244f2a7bef025137375eaf1e7b39991bc2e7ae49fe45dda220a","event_hash":"bd6bd00831d8bda9a3d0ab0b0a36bae955203251c2e8cf954da576028145fb91"},{"sequence":3,"event_id":"2026-08-26-protocol-system-card-release","event_type":"artifact_release","recorded_at":"2026-08-26T13:34:38Z","owner":"Delx Protocol","title":"Delx Protocol 3.3.5 System Card released","summary":"A versioned human, JSON and Markdown system card published intended uses, side effects, data boundaries, evaluation coverage, incident history and limitations.","status":"published","evidence":{"public_urls":["https://delx.ai/research/system-cards/delx-protocol-3.3.5","https://delx.ai/research/system-cards/delx-protocol-3.3.5.json","https://delx.ai/research/system-cards/delx-protocol-3.3.5.md"],"source_commit":"c2f5a0809112e7b8025ece483229bade1b038ea0","deployment_id":"dpl_Ero4ejYrEHh852FDcCb7Q1u29ZSs","receipt_url":null,"receipt_sha256":null,"run_id":null,"expected_status":null,"expectation_matched":null},"target_event_id":null,"reason":null,"limitations":["Interface version 3.3.5 does not identify immutable deployed bytes, and the card is not an independent assessment or certification."],"previous_event_hash":"bd6bd00831d8bda9a3d0ab0b0a36bae955203251c2e8cf954da576028145fb91","event_hash":"91f02034d0a22877a77f6be765af685ab33eefdd9f85c983676951d8b89302db"},{"sequence":4,"event_id":"2026-08-26-incident-registry-release","event_type":"artifact_release","recorded_at":"2026-08-26T14:06:06Z","owner":"Delx Security","title":"Incident transparency registry released","summary":"The public registry and first material Protocol write-outage report were promoted with cause, observed impact, remediation and residual risk.","status":"published","evidence":{"public_urls":["https://delx.ai/research/incidents","https://delx.ai/research/incidents.json","https://delx.ai/research/incidents/2026-08-17-protocol-write-outage"],"source_commit":"85053d6fc6c016938901b7c5184ca51e608b8713","deployment_id":"dpl_7TkipcVKaXVfVuAv6UdjHUUu3kpR","receipt_url":null,"receipt_sha256":null,"run_id":null,"expected_status":null,"expectation_matched":null},"target_event_id":null,"reason":null,"limitations":["The registry begins with one operator-authored report and does not claim a complete reconstruction of all historical incidents."],"previous_event_hash":"91f02034d0a22877a77f6be765af685ab33eefdd9f85c983676951d8b89302db","event_hash":"f1bee1e633c59aab0ea6010447d93ae082f2e13624b151abd9eea452caaacec0"},{"sequence":5,"event_id":"2026-08-26-live-research-status-release","event_type":"artifact_release","recorded_at":"2026-08-26T15:15:51Z","owner":"Delx Institutional","title":"Live research artifact status released","summary":"Timestamped first-party probes began publishing operational, degraded, failed and unavailable as separate states for catalog artifacts.","status":"published","evidence":{"public_urls":["https://delx.ai/research/status","https://delx.ai/research/status.json","https://delx.ai/research/status.md"],"source_commit":"7f63dbb2f3e934ddc7f6a4068ae0e637bcf414c2","deployment_id":"dpl_GVEREaWtYxeQFpZVRxNxMzo8ot7m","receipt_url":null,"receipt_sha256":null,"run_id":null,"expected_status":null,"expectation_matched":null},"target_event_id":null,"reason":null,"limitations":["Reachability is a point-in-time first-party observation, not scientific validity, permission, adoption or future uptime."],"previous_event_hash":"f1bee1e633c59aab0ea6010447d93ae082f2e13624b151abd9eea452caaacec0","event_hash":"9543f4092cd787ebb9fe204959f4371646040d86421efd57bb7b51a9169f5c21"},{"sequence":6,"event_id":"2026-08-26-responsible-release-standard","event_type":"artifact_release","recorded_at":"2026-08-26T15:45:42Z","owner":"Delx Security","title":"Responsible Release Standard released","summary":"An executable release, hold and block contract began publishing scope, evidence, risk, authority, rollback, gaps and expiring exceptions.","status":"published","evidence":{"public_urls":["https://delx.ai/research/responsible-release","https://delx.ai/research/responsible-release.json","https://delx.ai/research/responsible-release.md"],"source_commit":"e0c9ec4be1e2b92b97c8a0dbbdc159c3878392c3","deployment_id":"dpl_96LaKd777oyS11AywJnu367M6a6g","receipt_url":null,"receipt_sha256":null,"run_id":null,"expected_status":null,"expectation_matched":null},"target_event_id":null,"reason":null,"limitations":["The standard is first-party governance, not certification, independent assurance or proof that every unknown failure mode was found."],"previous_event_hash":"9543f4092cd787ebb9fe204959f4371646040d86421efd57bb7b51a9169f5c21","event_hash":"cd00573f10e0e4b8e796ee7903df29c81711aeb35bdac13777dbe477077de3a3"},{"sequence":7,"event_id":"2026-08-26-continuity-threat-model-release","event_type":"artifact_release","recorded_at":"2026-08-26T16:26:19Z","owner":"Delx Security","title":"Continuity benchmark threat model released","summary":"A twelve-threat register exposed benchmark gaming, provenance, injection, identity, measurement, authority, privacy and reliability risks.","status":"published","evidence":{"public_urls":["https://delx.ai/research/benchmarks/continuity-v1/threat-model","https://delx.ai/research/benchmarks/continuity-v1/threat-model.json","https://delx.ai/research/benchmarks/continuity-v1/threat-model.md"],"source_commit":"71802895550e48b9d02f0b7d9261e2974513c6d9","deployment_id":"dpl_7BdfUTb5bULnBx376t1YVjGT3ob3","receipt_url":null,"receipt_sha256":null,"run_id":null,"expected_status":null,"expectation_matched":null},"target_event_id":null,"reason":null,"limitations":["The first-party threat model covers the one-call audit slice and leaves three validity risks open; it is not authorization for active testing."],"previous_event_hash":"cd00573f10e0e4b8e796ee7903df29c81711aeb35bdac13777dbe477077de3a3","event_hash":"842c2561a3b1977563aa4f03ec3699293fc3fdb0671896f7577ebc6fbd3dcd83"},{"sequence":8,"event_id":"2026-08-26-continuity-fixture-pass","event_type":"benchmark_run","recorded_at":"2026-08-26T16:49:32.817Z","owner":"Delx Research","title":"Positive continuity fixture receipt retained","summary":"The frozen positive vector scored 86; the expected pass matched and the receipt records that no external state changed.","status":"pass","evidence":{"public_urls":["https://delx.ai/research/benchmarks/continuity-v1","https://delx.ai/research/benchmarks/continuity-v1/receipts/2026-08-26-fixture-pass.json"],"source_commit":null,"deployment_id":null,"receipt_url":"https://delx.ai/research/benchmarks/continuity-v1/receipts/2026-08-26-fixture-pass.json","receipt_sha256":"e1fd0648af140e6774ed45f72ff362d98088773a5dfd70b13886e26cbe86b964","run_id":"3117f43e-ba04-4cf3-ad50-3f503e290e9a","expected_status":"pass","expectation_matched":true},"target_event_id":null,"reason":null,"limitations":["The public fixture and Delx-authored lexical grader test reproducible conformance, not unseen-task generalization or semantic continuity."],"previous_event_hash":"842c2561a3b1977563aa4f03ec3699293fc3fdb0671896f7577ebc6fbd3dcd83","event_hash":"31c4a0d2c16399caff3b6669f904c7371117154f17c0b1f1d8ab208e8bdaa69e"},{"sequence":9,"event_id":"2026-08-26-continuity-fixture-fail","event_type":"benchmark_run","recorded_at":"2026-08-26T16:49:32.853Z","owner":"Delx Research","title":"Negative continuity fixture receipt retained","summary":"The frozen negative vector scored 53 and failed the continuity checks; the expected fail matched and the observed result remains fail.","status":"fail","evidence":{"public_urls":["https://delx.ai/research/benchmarks/continuity-v1","https://delx.ai/research/benchmarks/continuity-v1/receipts/2026-08-26-fixture-fail.json"],"source_commit":null,"deployment_id":null,"receipt_url":"https://delx.ai/research/benchmarks/continuity-v1/receipts/2026-08-26-fixture-fail.json","receipt_sha256":"3fa2931e3201d5bdbcede91f45a9120a8f748eb5d9d33ff081da35760c0ca404","run_id":"1d53c39c-f4ec-4b77-8e45-97d96e30d1cd","expected_status":"fail","expectation_matched":true},"target_event_id":null,"reason":null,"limitations":["A matched negative control shows that this fixture is rejected by this grader; it does not establish benchmark completeness or external validity."],"previous_event_hash":"31c4a0d2c16399caff3b6669f904c7371117154f17c0b1f1d8ab208e8bdaa69e","event_hash":"95d489bae5cb9be9897ade40457745d72f18c7cfb7ba64252a832a779570b49e"},{"sequence":10,"event_id":"2026-08-26-research-evidence-ledger-release","event_type":"artifact_release","recorded_at":"2026-08-26T17:39:11.594Z","owner":"Delx Research","title":"Research evidence ledger released","summary":"The first hash-chained research history published six exact release events and three benchmark receipts while keeping its operator-rewrite boundary explicit.","status":"published","evidence":{"public_urls":["https://delx.ai/research/ledger","https://delx.ai/research/ledger.json","https://delx.ai/research/ledger.md"],"source_commit":"79026cc8a9eb9d223b846cb313dc2febd3890202","deployment_id":"dpl_DzwCSRiJMUXDuz6dS25zAN7TLeP4","receipt_url":null,"receipt_sha256":null,"run_id":null,"expected_status":null,"expectation_matched":null},"target_event_id":null,"reason":null,"limitations":["The release proves which first-party deployment was promoted; it does not make the ledger externally anchored, signed, immutable or independently validated."],"previous_event_hash":"95d489bae5cb9be9897ade40457745d72f18c7cfb7ba64252a832a779570b49e","event_hash":"1ee2daf1967f9e1e069538051fc8d284fdcf58a24129d274062f948c2036b182"},{"sequence":11,"event_id":"2026-08-26-technical-report-001-release","event_type":"artifact_release","recorded_at":"2026-08-26T19:20:00.000Z","owner":"Delx Research","title":"Delx Technical Report 001 released","summary":"The lab's first citable technical report published its method, three retained observations, a 33-point frozen separation and the release decision it changed, in human, JSON, Markdown and BibTeX views.","status":"published","evidence":{"public_urls":["https://delx.ai/research/reports/tr-001-continuity-audit","https://delx.ai/research/reports/tr-001-continuity-audit.json","https://delx.ai/research/reports/tr-001-continuity-audit.md","https://delx.ai/research/reports/tr-001-continuity-audit.bib"],"source_commit":"bc83e07545016cb368d0fea46fad0cba6fc127d2","deployment_id":"dpl_9JxEXsFiCwzfbWwVQDDHyDdgzhwm","receipt_url":null,"receipt_sha256":null,"run_id":null,"expected_status":null,"expectation_matched":null},"target_event_id":null,"reason":null,"limitations":["The release proves which first-party deployment was promoted. It does not make the report peer reviewed, independently validated or externally replicated."],"previous_event_hash":"1ee2daf1967f9e1e069538051fc8d284fdcf58a24129d274062f948c2036b182","event_hash":"4531b46de03dfdce74d5f16d2bc0aba8be7cac4fbb53ae0dd2598570e5d41703"},{"sequence":12,"event_id":"2026-08-26-lab-citation-record-correction","event_type":"artifact_release","recorded_at":"2026-08-26T19:20:30.000Z","owner":"Delx Research","title":"Lab citation record corrected","summary":"delx.ai/CITATION.cff stopped redirecting to the ontology record, which cites a different work, links a private repository and publishes the founder's middle name as a surname. The lab now serves its own CFF referencing DELX-TR-001, guarded by an allowlist that refuses any extra name part.","status":"published","evidence":{"public_urls":["https://delx.ai/CITATION.cff"],"source_commit":"f9301e8b76b004088f43f5bda81702e5d4c6070a","deployment_id":"dpl_EexhRjpCHngZabHtk1tPBQPdZEVb","receipt_url":null,"receipt_sha256":null,"run_id":null,"expected_status":null,"expectation_matched":null},"target_event_id":null,"reason":null,"limitations":["This corrects what delx.ai publishes about citing Delx. It is not evidence that anyone has cited Delx, and it creates no DOI, venue or archival permanence.","It is recorded as a release rather than a ledger correction because the inherited record was never a ledger-tracked artifact, so there is no earlier event to target."],"previous_event_hash":"4531b46de03dfdce74d5f16d2bc0aba8be7cac4fbb53ae0dd2598570e5d41703","event_hash":"7be5693ddd148375018ff892db6fb5064f3592876e9cf3969d99f51fb164b036"}],"integrity_scope":{"proves":"Given a retained snapshot or head hash, canonical event hashing exposes an unrehashable edit, deletion, insertion or chain break in the published sequence.","does_not_prove":"The current operator controls the source and can rewrite history, recompute every hash and republish a new head unless a reader retained a prior snapshot."},"limitations":["The operator can rewrite and rehash this first-party ledger; there is no external anchor, digital signature or trusted timestamp.","A reader needs a previously retained snapshot or head hash to detect a fully recomputed history.","Zero published corrections or retractions means none exist in this ledger version, not that Delx has made zero historical errors.","The recorded releases and runs are first-party evidence, not independent validation, adoption, demand, endorsement or certification."],"claim_boundary":"This is a hash-chained, append-oriented evidence history. It is not an append-only transparency log and does not establish authorship or immutable chronology.","validation":{"schema":"delx/research-evidence-ledger-validation/v1","valid":true,"event_count":12,"event_type_counts":{"benchmark_run":3,"artifact_release":9},"correction_count":0,"retraction_count":0,"head_hash":"7be5693ddd148375018ff892db6fb5064f3592876e9cf3969d99f51fb164b036","blocking_issues":[]}}