Erin's Fury and John J Murphy and Leo Fitzgerald and Mike Donegan and Denis Donovan and Brian Atherne
{"copyright_id":"0x75542b949edcaebe93b5cc4660bafab6b5751cebe98f9a37ca9c5bc67d55afbb","name":"Erin's Fury and John J Murphy and Leo Fitzgerald and Mike Donegan and Denis Donovan and Brian Atherne","registered_at":"2026-06-20T16:43:39Z","symbol":"NIM1656925","token_address":"0xee9b96ad01bc7e2bf232069ee0792cb3890e655d","type":"artist","uuid":"ba2d37f2-d544-40ef-8cda-8f0f22ed3bd5"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75542b949edcaebe93b5cc4660bafab6b5751cebe98f9a37ca9c5bc67d55afbb. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ba2d37f2-d544-40ef-8cda-8f0f22ed3bd5.json and https://artists.proofprofile.net/proofs/artist/ba2d37f2-d544-40ef-8cda-8f0f22ed3bd5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).