Batterie de la marche Saint-Oger d'Hanzinne
{"copyright_id":"0xdb811e25970fc7d3ea218dceb56eef6f7d77fc665a7976f34df103de02a5b7ba","name":"Batterie de la marche Saint-Oger d'Hanzinne","registered_at":"2026-06-17T00:21:41Z","symbol":"NIM1222231","token_address":"0x924dfeb73787cecd9ee7b1abf688ec8feb305133","type":"artist","uuid":"637c2fe2-5e41-4551-a9e8-7e78b2a52e42"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb811e25970fc7d3ea218dceb56eef6f7d77fc665a7976f34df103de02a5b7ba. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/637c2fe2-5e41-4551-a9e8-7e78b2a52e42.json and https://artists.proofprofile.net/proofs/artist/637c2fe2-5e41-4551-a9e8-7e78b2a52e42.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).