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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x377924a69f09a4a7f32012cb5aa4eb13682f40c9c754cf65ac7cfcc05cb66ef1. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2733baaa-3c20-4bf3-991f-9b618bd9ab07.json and https://artists.proofprofile.net/proofs/artist/2733baaa-3c20-4bf3-991f-9b618bd9ab07.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Song No. 2 - Thought Under Bad Conditions
Song No. 2 (Thought Under Bad Conditions)
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