{"_canonicalization":{"envelope_id":"axm_ + sha256(envelope minus {signature, axiom_id, anchors})","envelope_signature":"ed25519(envelope minus {signature, axiom_id})","json":"sort_keys=True, separators=(',',':'), ensure_ascii=False, allow_nan=False, utf-8","leaf_hash":"sha256(0x00 || canonical_json(envelope_full))","seal_signature":"ed25519(seal minus {signature, sig_algorithm})"},"axiom_id":"axm_970ba37ed88e399b9067c1a917d4f37519aa8d9aa645338cd26b82ea8da60c12","bitcoin_anchor":{"bitcoin_attestations":[],"calendar_attestations":[],"ots_url":"","stamped_at":"","status":"pending_next_stamp"},"envelope":{"anchors":[{"chain":"crovia.axiom_graph","height":0,"merkle_proof":"8a816048982f72db5efa56390c8b06e8773946b1d3a25139820455629f6aa37d","root_at_anchor":"8a816048982f72db5efa56390c8b06e8773946b1d3a25139820455629f6aa37d"}],"axiom_id":"axm_970ba37ed88e399b9067c1a917d4f37519aa8d9aa645338cd26b82ea8da60c12","axiom_type":"AX.ABS","body":{"absence_streak_days":113,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":113,"evidence":{},"first_seen":"2026-01-31T17:01:58.343818Z","last_seen":"2026-05-25T02:00:24.170989Z","merkle_root":"dbd1085217dab204cc4828a0242797cc5da307aefa3a2317710a138200eed3c0","observation_count":54,"observation_type":"absence","observed_at":"2026-04-30T03:00:09Z","receipt_hash":"sha256:4cadc7172736ea0ff9833acc324c0b2f4200bf0b85af425659325f72b505a05a","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-04-30T03:00:09Z","notes":"AX.ABS minted from collector record with observation_type=absence","object":{"captured_by":"autonomous_observer","primary_source_url":""},"predecessors":[],"schema":"crovia.axiom.v1","signature":"ed25519:ab5686191c4448f62436336c8dd65e91cc52fa706b8f81987af8fd3f226fde5feb6e13b1371036dd0edf67fe97b2a2fdb70ac2a7381136f485e597a7ea170902","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"agents-course/course-images"},"tsa":{"authority":"crovia.substrate.bootstrap","rfc3161_token":"{\"kind\":\"crovia.bootstrap.tsa\",\"source_jsonl\":\"/opt/crovia/hf_datasets/global-ai-training-omissions/observations.jsonl\",\"source_seal_merkle_root\":\"8a816048982f72db5efa56390c8b06e8773946b1d3a25139820455629f6aa37d\",\"upgrade_path\":\"Sessione H \\u2014 OpenTimestamps weekly anchor\"}"},"zk_mode":"clear","zk_proof":null},"ledger":{"leaf_hash":"e7a1aa11aedea4d03d418a2d39eeb3911d74e3759304d2ccc0ac2aa53e120107","leaf_index":171129,"ledger_path":"/opt/crovia/substrate/axiom_ledger.jsonl"},"merkle_proof":{"hash_alg":"sha256","leaf_prefix":"0x00","node_prefix":"0x01","odd_leaf_rule":"duplicate_last","path":[{"sibling":"6645e3c8a0251fe2320fbbb8701d496bf758546973caa5419d335e855dea67e5","side":"left"},{"sibling":"ddeb8ab76fda80b195531391d38aa24c8b396c4b610711333c900776980fd5b2","side":"right"},{"sibling":"63ae815b701190eb89b4386cfc0af1bee714be40e9412d126c3942e8d4b5f15b","side":"right"},{"sibling":"5dbc188d6a1b190761c149d020ddc25a5ec9ef6d94da29418fc51699721a460c","side":"left"},{"sibling":"604abf9860900ec2bf2cbb9aa829e2e282f63d9e217f00ba8f5f36a889686388","side":"left"},{"sibling":"17524da0ae450066c32f6574e0819b335fc9e0d5e3384cb72937728d8b59e11e","side":"left"},{"sibling":"b26ab39e5cb405e0bcc882fb9a3be40b0b24566dd0457758c44f89c469e93194","side":"left"},{"sibling":"9db6a47afbee5a9094a6d6a9a981123d42296842adea8c8b062d89f9a13f8e41","side":"right"},{"sibling":"43366151ee4cb5eaa52beabea395211b5b61e0ff00bfee24dcbf7da330c0c085","side":"right"},{"sibling":"5457c876f64ded3176a897cddc16d0eb70557ec29a2f126df4267e84ec16a053","side":"right"},{"sibling":"cc83269cb54be0f1b7bd85900605ca040aa8142cb90c41fee414701cc9bb1014","side":"left"},{"sibling":"a9c67be31eafe6aeb631515e08c8a8ed72b8e82675da5983a120200416e592dc","side":"left"},{"sibling":"f47f4f11a3e03fa1441622747527698827154e2bad719730b3f603bd2c2c75a0","side":"left"},{"sibling":"a2e6cb14f139a0725329e63d857dc8775670a0d0e5df11633a6fbbd1b3dbdf20","side":"right"},{"sibling":"0ce2afcd1cd99c513974951782e71b427eaf461bfeae7535f1d33e7959844b05","side":"right"},{"sibling":"5ea2f2dc9f046df723b6bd9932d61a9a3d80a76e79ce1b939b3d93ff79b5a91c","side":"left"},{"sibling":"8d7789979e38eb7f7b84702b30ab9db1d711aee8de7355713672fda69849f886","side":"right"},{"sibling":"d841ad93efda0869e5eb97678f348f03f5caab4353e05ff4bf18f47fb945b822","side":"left"}]},"schema":"crovia.axiom_proof.v1","seal":{"first_collector_run_id":"","first_receipt_hash":"","jsonl_path":"/opt/crovia/substrate/axiom_ledger.jsonl","key_id":"430895f101d38164","last_collector_run_id":"","last_receipt_hash":"","leaf_count":204300,"merkle_root":"6504e34fd02d2abe97efe13b648586c36b6744934616d8b9864f387ec884ec66","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","run_id":"hourly_json_retrofit_20260601T153829Z","schema":"crovia.seal.v1","seal_family_version":"crovia-seal-family/1","seal_kind":"substrate_batch","sealed_at":"2026-06-01T16:09:32Z","sig_algorithm":"ed25519","signature":"7fdc403f3c179a8f64ffdde58e48fcd6fdf4e21de53bff0a7ee6d43e90a4244d782ff4bda8961e0ca286a66a2e7c3aaed63cd0679574b36e0453f5cc47eb4901","signer_version":"1.1.0"},"trust_root":{"key_id":"430895f101d38164","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","signature_algorithm":"ed25519","url":"/registry/canon/TRUST_ROOT.md"},"verifier":{"spec":"/registry/canon/AXIOM_RECEIPT_v1.md","url":"/v/axm_970ba37ed88e399b9067c1a917d4f37519aa8d9aa645338cd26b82ea8da60c12"}}