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 0xc897b26d54a696e0581e3de0a6fa07753d808fe8311a620171748a82277d0b46. Chain 2 (Bitcoin): anchored in block 953808 (2026-06-15T16:45:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f0f35673-dc98-4554-a27a-9b66b71a5373.json and https://artists.proofprofile.net/proofs/artist/f0f35673-dc98-4554-a27a-9b66b71a5373.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Kurt Foss synger Kurt Foss og Reidar Bøe
Høstgule Blader: Melodiminner Fra 1951 (Lirekassen No. 15)
Av Alle Verdens Refrenger, Hawaii-Foxtrot
Den Første Blåveis (You Can't Be True , Dear)
Det Er Sommer, Det Er Sol Og Det Er Søndag: Melodiminner Fra 1953 (Lirekassen No. 18)
Kurt Foss, Reidar Bøe og Arne Paasche-Aasen
THE STAFF BAND OF THE NORWEGIAN ARMED FORCES
Norwegian Dance - New Music for Concert Band 2013-2014
Lørdag Hele Uken: Melodiminner Fra Årene 1958-1959 (Lirekassen No. 30)
Hva Var Vel Livet Uten Deg: Melodiminner Fra 1951 (Lirekassen No. 14)