1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x2be8cbaa83ce587012b6ac7d1560a83d78af39031511854075eacac495065b35. Chain 2 (Bitcoin): anchored in block 953854 (2026-06-15T23:16:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/020efe47-1f47-4572-b555-f49f9c7a41b2.json and https://artists.proofprofile.net/proofs/artist/020efe47-1f47-4572-b555-f49f9c7a41b2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Milestones of Legends: Big Bosses of the Blues, Vol. 1