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 0x42d64038a746ffb70f36017afdc993b9a190ae921654d33d699d3b0fcf94ce4b. 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/72007f2a-8524-4dae-917e-4475a68ab1f6.json and https://artists.proofprofile.net/proofs/artist/72007f2a-8524-4dae-917e-4475a68ab1f6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Tristan und Isolde: "Noto Regina e a me"
Jewels of the Madonna: "Madonna, con sospiri"
Jewels of the Madonna: "Madonna, dei dolori"
Les Pêcheurs De Perles, WD 13, Act I: "Del tempio al limitar"
Rigoletto, Act III: "Bella figlia dell'amore"
Lucia di Lammermoor, Act II: "Che mi frena"
36 Arie di Stile Antico, Vol. III: VI. "O bei nidi d'Amore"
Orchestra del Maggio Musicale Fiorentino
The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
Eine italienische Nacht - Live aus der Waldbühne Berlin
Vocal Recital: Gigli, Beniamino - Toselli, E. / Crescenzo, V. De / Donaudy, S. (Archivio Della Romanza Da Salotto Italiana, Vol. 2) (1926-1947)