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 0x8fcb33b7159a639f2b375eefe4b07519cb7da0cba1c22060c7d82025fa474385. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f621d56e-e96e-4088-be36-5f848f0e4372.json and https://artists.proofprofile.net/proofs/artist/f621d56e-e96e-4088-be36-5f848f0e4372.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Day Dawn/Pit Hame Da Borrowed Claes/Da Fashion O'Da Delting Lasses/Da Perrie House under da Hill
The Boys of Twenty-Five/The Boyne Hunt/Chase Her Through the Garden
The Cameron Highlanders/The Balkan Hills/The Atholl and Breadalbane Gathering
The New Set: The Golden Slipper/The Streamstown Jig/Johnny McIljohn's Reel/Sonny's Mazurka
Ar Eirinn NI'Neosfainn Ce Hi/The Whinny Hills of Leitrim/Another Jig Will Do
Breton Wedding March / The Wild Irishman / The Scholar - Medley
Farewell To Gibraltar / Captain Horne / The High Road To Linton - Medley
Cadam Woods / The Bonnie Lass Of Bon Accord
Dennis Murphy's Hornpipe / Leather Britches
The Humours Of Ennistymon / The First House In Connaught / Roll Her In The Rye-Grass - Medley
Kitty's Gone A-Milking / Master McDermott's
The Flail / Paddy Doory's / The Pride Of Leinster - Medley
The Midsummer's Night / The Tinker's Daughter / The Crock Of God - Medley
The Antrim Rose, Miss McGuinness, Brereton's
Cape Breton Wedding Reel No. 2, Cape Breton, Wedding Reel No.3
Eugene Stratton, The Constitution, President Garfield's
Sean Bui, Tommy People's, The Lark In The Morning
Lucky Can Du Link Ony, Pottinger's, Billy Nicholson
Angus Polka No. 1, Angus Polka No. 2, Donegal Barn Dance
Valentia Harbour, The Jug Of Punch, MacArthur Road
The Holly Bush, The New Ships Are Sailing
Out On The Ocean, Mooney's Jig, Isabelle Blackley
Forest Flower, Kitty The Hare, Jenny Dang The Weaver
Maho Snaps, Charlie Hunter, The Mouse In The Cupboard, The Rosewood
The Humours Of Flinn, Tim O'Leary's Waltz
Captain Carswell, The Green Hills Of Tyrol, The Trip To Windsor
Celtic Soul: The Very Best Of Irish Music