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 0xa0dd9c31f121a9a54da1a5aa4fc55fb80cffddf6b5f7c5d1ed61508a1f580de7. 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/6d56729c-17a7-4baf-a696-c39cf78c3919.json and https://artists.proofprofile.net/proofs/artist/6d56729c-17a7-4baf-a696-c39cf78c3919.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Najpiekniejsze Koledy Polskie (Polish Christmas Carols for Accordion)
W małym hiszpańskim miasteczku - Cha Cha
Pije Kuba do Jakuba - Bonus / Disco Dance Dj - Mix
Serca Dwa - Accordion Melodies from Poland
Ruskie pierniki - Accordion Melodies from Poland
Na Dancingu - Accordion Melodies from Poland
Wesoly Akoredeon - Funny Accordion - Lustige Akkordeon
Tanczymy przy akordeonie - Dancing with accordion - Tanzen mit Akkordeon
Taneczne Hity - Dance Hits for Accordion