{"latest_date":"2026-09-09","artifact":{"date":"2026-09-09","generated_by":"scripts/write_attestation.py","ledgers":{"print_hash_ledger":{"latest_print_date":"2026-09-07","rows":17,"rows_sha256":"d7ac8b65994c08d8169f14c1d75512a9c8ea68c88006765e841487c2f4bbd378"},"submission_hash_ledger":{"chain_intact":true,"rows":12,"rows_sha256":"3188553920b08a1aefbbd8a9ea57af98476cb0217be546fa6755f4d9d3ca73d1","tip_chain_hash":"68d0522ba02550fe2a921547ec4415557714c3d08f58055726d48f04b82b6d76","tip_seq":12}}},"available_dates":["2026-08-22","2026-08-23","2026-08-24","2026-08-31","2026-09-01","2026-09-02","2026-09-03","2026-09-04","2026-09-05","2026-09-06","2026-09-07","2026-09-08","2026-09-09"],"permanent_url":"https://thegridco.ai/api/attestations/2026-09-09","how_to_verify":"https://thegridco.ai/standards/attestations"}