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 0x37f8f83f77b8e492a54f2bcff186090d19d8b879fc425e53aff37f4284f4c5a7. Chain 2 (Bitcoin): anchored in block 953596 (2026-06-14T06:21:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0a1a8790-2e4f-41ec-a600-13fa298855f8.json and https://artists.proofprofile.net/proofs/artist/0a1a8790-2e4f-41ec-a600-13fa298855f8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Angelika Thomas singt Friedrich Hollaender
Lass mich einmal deine Carmen sein - Instrumental
Ich bin von Kopf bis Fuss auf Liebe eingestellt
Das gibt's nur auf der Reeperbahn bei Nacht