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 0xd67e4aab44f5e16d36c6b4ed7cff18c33509e65ad34de090e7ff04a6cbace62c. 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/6734f97a-fed3-4ccb-82b2-e59796de437e.json and https://artists.proofprofile.net/proofs/artist/6734f97a-fed3-4ccb-82b2-e59796de437e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Lute Songs, 1606: He Whose Desires Are Still Abroad
Lute Songs, 1606: Like As The Lute Delights
Lute Songs, 1606: Dost Thou Withdraw Thy Grace
Lute Songs, 1606: No, Let Chromatic Tunes
Lute Songs, 1606: Uncertain Certain Turns
Lute Songs, 1606: If I Could Shut The Gate
Lute Songs, 1606: I Die Whenas I Do Not See
Lute Songs, 1606: What Delight Can They Enjoy?
Lute Songs, 1606: Now The Earth, The Skies, The Air
Mrs M. E. Her Funeral Tears for the Death of Her Husband: I. Grief Keep Within
Mrs M. E. Her Funeral Tears for the Death of Her Husband: II. Drop Not, Mine Eyes
Mrs M. E. Her Funeral Tears for the Death of Her Husband: III. Have All Our Passions?
Can Doleful Notes?: I. Can Doleful Notes?
Can Doleful Notes?: II. No, Let Chromatic Tunes
Can Doleful Notes?: III. Uncertain Turns of Thought
Mistress Anne Grene Her Leaves Bee Greene
Mrs. M.E. Her Funerall Teares for the Death of Her Husband: I. Griefe Keepe Within
Mrs. M.E. Her Funerall Teares for the Death of Her Husband: II. Drop Not Mine Eies
Mrs. M.E. Her Funerall Teares for the Death of Her Husband: III. Have All Our Passions
Mrs. M. E. Her Funeral Tears for the Death of Her Husband: II. Drop Not, Mine Eyes
Mrs. M. E. Her Funeral Tears for the Death of Her Husband: Mrs. M. E. Her Funeral Tears for the Death of Her Husband: II. Drop Not, Mine Eyes
Kirkby, Emma: Musique and Sweet Poetrie - Jewels From Europe Around 1600
Mrs M. E. Her Funeral Tears For the Death of Her Husband: No. 1, Grief, Keep Within
Flow My Tears - Songs For Lute, Viol and Voice - Wigmore Hall Live
Mrs M. E. Her Funeral Tears For the Death of Her Husband: No. 2, Drop Not, Mine Eyes
Mrs M. E. Her Funeral Tears For the Death of Her Husband: No. 3, Have All Our Passions?
Can Doleful Notes?: No. 1, Can Doleful Notes
Can Doleful Notes?: No. 2, No, Let Chromatic Tunes
Can Doleful Notes?: No. 3, Uncertain Certain Turns
A Pleasing Melancholy: Works by Dowland & Others
If I Could Shut the Gate Against My Thoughts
English Lute Songs: Ayres for Countertenor