{"date":"2026-08-22","artifact":{"date":"2026-08-22","generated_by":"scripts/write_attestation.py","ledgers":{"print_hash_ledger":{"latest_print_date":"2026-08-19","rows":4,"rows_sha256":"cd7457de289a59ecce0f5b78ab099c5083a58228eccc4dcd061b4cd5dfc29ad5"},"submission_hash_ledger":{"chain_intact":true,"rows":0,"rows_sha256":"4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945","tip_chain_hash":"0000000000000000000000000000000000000000000000000000000000000000","tip_seq":0}}},"how_to_verify":"https://thegridco.ai/standards/attestations"}