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 0x0b42112339c037bcfa0484f82dd1dc954b115f93dafcc5ea5c9e51187420d547. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b6a5dae8-6116-440b-824f-3a0cba1c293c.json and https://artists.proofprofile.net/proofs/artist/b6a5dae8-6116-440b-824f-3a0cba1c293c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Rinaldo, HWV 7a / Act 2: "Lascia ch'io pianga"
Giulio Cesare / Act 3: "Da tempeste il legno infranto"
Giulio Cesare / Act 3: Exsultate, jubilate
Exsultate, jubilate, K.165: Exsultate, jubilate
Don Giovanni, ossia Il dissoluto punito, K.527 / Act 1: "Là ci darem la mano"
Don Giovanni, ossia Il dissoluto punito, K.527 / Act 1: "Ah, fuggi il traditor"
Semele HWV 58 / Act 3: Myself I shall adore
Vesperae solennes de confessore in C, K.339: Laudate Dominum
Samson, HWV 57 / Act 3: Let the bright seraphim
Dido and Aeneas / Act 3: Thy hand, Belinda...When I am laid in earth
Acis and Galatea: Heart, the seat of soft delight
L'incoronazione di Poppea / Act 3: Pur ti miro
The Triumph Of Time And Truth, HWV71: Guardian angels, oh, protect me
Cantata No.202 "Weichet nur, betrübte Schatten" (Wedding Cantata), BWV 202: Sich üben im Lieben
Was mir behagt, ist nur die muntre Jagd, Cantata BWV 208: Schafe können sicher weiden (Sheep may safely graze)
Wonderful Town, Act II: No. 14, My Darlin' Eileen
Wonderful Town, Act II: No. 19, Wrong Note Rag
Mozart: Vesperae solennes de confessore in C, K.339: 5. Laudate Dominum omnes gentes (Ps. 116/117)
Handel: Giulio Cesare / Act 3: "Da tempeste il legno infranto"
Handel: Alcina / Act 1: Tornami a vagheggiar
Bernstein: Wonderful Town (Bonus Track Version)
Wonderful Town, Act I: No. 8. A Little Bit in Love
Wonderful Town, Act I: No. 10. Conversation Piece
Wonderful Town, Act II: No. 14. My Darlin' Eileen
Wonderful Town, Act II: No. 16. Quiet Incidental
Wonderful Town, Act II: No. 16a. Ohio (Reprise)
Wonderful Town, Act II: No. 17. It's Love
Wonderful Town, Act II: No. 19. Wrong Note Rag
Wonderful Town, Act II: No. 19a. It's Love (Reprise)