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 0xc5cf8257fd5023c677d9173ec43fda981b999ec29656c81e285f960dcc1c147b. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4fce7dc5-c469-4e33-815b-d1d845924eef.json and https://artists.proofprofile.net/proofs/artist/4fce7dc5-c469-4e33-815b-d1d845924eef.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Carolan's Lamentation for Charles MacCabe
Carolan's Receipt (John Stafford's Receipt for Whiskey)
Carolan's Farewell (Carolan's Farewell to Music)
Charles MacCabe's Lamentation for His Dear and Beloved Friend, Terence Carolan
The Grassy Turf & Planxty George Brabazon
Captain O´Kane & Carolan´s Quarrel with the Landlady
Michal Hromek Consort and Guests Play on Themes by Turlough O'Carolan
Captain O'Kane & Carolan's Quarrel With the Landlady
The Music of O'Carolan: O'Carolan's Dream
Squire Wood's Lamentation of the Refusal of his Half Pence
Carolan's Draught in C Major, ITC. 1 (Arr. for Solo Piano)
John Nugent in C Major, ITC. 2 (Arr. for Solo Piano)
Tá mé 'mo chodladh in C Major, ITC. 4 (Arr. for Solo Piano)
The Lark in the Clear Air: Melodies of Ireland
Turlough Óg Mc Donough (Arr. for Recorder Quartet by Kate Hearne)
Miss Maxwell - Bridget Cruise - O'Carolan's Welcome
The Mystic and the Muse (Celebrating 600 Years Of Women in Music)
Squire Wood's Lament (Arr. For chamber ensemble)
Owen O'Rourke (Arr. J. Williams for Guitar)
Farewell to Music (Arr. J. Williams for Guitar)
Carolan's Concerto (arr. J. Williams for guitar)
The Little and Great Mountain (arr. J. Williams for guitar)
Fanny Power (arr. J. Williams for guitar)