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 0x43a7880606e05a72db778cc7742d7b7af3ab187803f3bc7afef9ccac3d2fe6e8. Chain 2 (Bitcoin): anchored in block 953777 (2026-06-15T11:52:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cbd6fccf-009b-45e8-a11b-6d798c4eb17c.json and https://artists.proofprofile.net/proofs/artist/cbd6fccf-009b-45e8-a11b-6d798c4eb17c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sæterjenten's søndag (The Herdgirl's Sunday)
Nature | Å eg veit meg eit land - Music Lesson | Morgenstemning
The Kiss | Så skimrande var aldrig havet
Sorrow | Til Ungdommen - Mother's lullaby | Den fyrste song
Kveldssang for Blakken (Fola, fola Blakken)
I Ensomme Stunde ( La Melancolie ) / The melancholy
Seterjentens Søndag / The Herdgirl’s Sunday