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 0x6b6a548bd90df93b7b8fc347a6b4f16c75013227e8c848aa8a2684f732fc05d9. 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/7624b396-b5aa-4672-af44-3d01fc176635.json and https://artists.proofprofile.net/proofs/artist/7624b396-b5aa-4672-af44-3d01fc176635.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Pesen za Indzhe voyvoda / Chorbadzhi Dimo / Byala cheshma / Ergenlak-rahatlak
Mislil sam, lyube / Mama na Milka dumashe / Manolska svatba
Kanyat me, mamo, na sabora - Horovodna kitka