{"snapshot_id":123,"source_id":"oig_leie","snapshot_date":"2026-06-08","content_hash":"c32758fd104f3e60a4aa6a34fe60b88ca56e4cba41428f0183d8847b3d4c1b8f","content_size_bytes":null,"legacy_content_size_field_value":68055,"content_size_limitation":"This pre-cutover field contains the observed row count, not a byte measurement. The count-grain hash commits to source id, snapshot date, and row count; historical values were not rewritten.","source_archive_url":"https://fonteum.com/data","hash_algorithm":"SHA-256","hash_version":"count-observation-v1","row_count":68055,"methodology_version":"daily-snapshot/v1","attested_at":"2026-06-08T06:15:29.265967+00:00","cache_url":null,"cache_reference":null,"cache_content_sha256":null,"cache_size_bytes":null,"cache_retained":null,"cache_not_retained_reason":null,"cache_cached_at":null,"cache_retention_expires":null,"rowset_input":null,"cache_hash_recheck_applicable":false,"cache_hash_limitation":"Directly hashing cached source bytes cannot reproduce this count-grain content_hash: it does not commit to row values.","corrections":[],"verify_url":"https://fonteum.com/verify/123","verify_instructions":"https://fonteum.com/methodology","witness_attestation":{"witness_id":"fonteum-0","fingerprint":"68252b01d98392021733bcd6e0b731fe38ffbc0d1f311e9636f42b69cb317204","signed_at":"2026-06-16T22:29:13.190Z","methodology":"in-toto-witness/v1","key_directory_url":"https://fonteum.com/api/v1/chain/keys","signature_scope":"fonteum-snapshot-witness-v1","payload_hash":"c32758fd104f3e60a4aa6a34fe60b88ca56e4cba41428f0183d8847b3d4c1b8f","signature":"jCw3yVS348RlwvAfRGWt1IfMeQR5U7oNyATzWxZyIgXNPXj_PqjUfw3hZTYMiYA5QTyBP6hW1kLEFqk3fxsFBw"},"trust_mark":{"attested_by":"Fonteum","standard":"W3C-VC-2.0","content_credential":"C2PA-aligned Content Credentials for facts","source":"oig_leie","as_of":"2026-06-08","attestation_id":123,"chain_head_hash":"f950647f7eb14a864cda5d73460366f44eb5f2e876f74e139c146444779c9855","recheck_url":"https://fonteum.com/verify/123","key_url":"https://fonteum.com/.well-known/chain-public-key.json","docs_url":"https://fonteum.com/trust/trust-mark"}}