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 0x35f9df235458aa9d62ff81639e654fce4ee7c821093312fb2c827c4e7fcaa8d4. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/854cca15-0fea-4129-bbb1-100fc364670b.json and https://artists.proofprofile.net/proofs/artist/854cca15-0fea-4129-bbb1-100fc364670b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Var skall jag hänga min hatt i natt, repris
Var skall jag hänga min hatt i natt, avslutning
Det var länge sen jag plocka några blommor
Det var längesen jag plocka några blommor
Du står vid min sida (Ich Weiss Wo Ich Hinger)
Capricer med Od, Vol. 3 (Recorded 1976-1981)