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 0x621d61468f58832a836d325904257ac131678315e3e365bb5bd500c9714ff5c7. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8381f79c-67eb-48d0-8fe8-7a6be2810307.json and https://artists.proofprofile.net/proofs/artist/8381f79c-67eb-48d0-8fe8-7a6be2810307.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Det sista vi har kvar (Happy Christmas / War Is Over)
I juletidens timma [Have Yourself A Merry Little Christmas]
Blomstarteid (Den blomstertid nu kommer)
Över hav, genom land (Along For The Ride)
Varje steg du tar (Every Breath You Take)