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 0xd4de38474d1b16aa6229f36b9d7226e2391e8610449dd710dc2a524972bd09d4. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/57c350ce-d5e7-47d4-8417-72f783f28780.json and https://artists.proofprofile.net/proofs/artist/57c350ce-d5e7-47d4-8417-72f783f28780.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Irish Favorites Sing-A-Long with Spailpin
Three Young Ladies Drinking Whiskey Before Breakfa
Feilim's Little Boat Phelims (Baidin Fheidhlimi)
White, Orange and Green - Tabhair dom do La'mh
Feilims' Little Boat Phelims - Baidin Fheidhlimi
Die Irische Musik-Erfahrung, Vol. 1 (Eine Auswahl traditioneller Musik aus Irland)
The Irish Music Experience, Vol. 1 (A Selection of Traditional Music from Ireland)
Die keltische Musik-Erfahrung, Vol. 2 (Eine Auswahl an traditioneller keltischer Musik)