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 0x30418666ce9bf5a1c6106ca2bb70add27ab0518c9cbd8ffec7529d0b363d20db. Chain 2 (Bitcoin): anchored in block 953614 (2026-06-14T08:40:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/154b63b1-f135-40d7-adff-b848452eaa4a.json and https://artists.proofprofile.net/proofs/artist/154b63b1-f135-40d7-adff-b848452eaa4a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Carissimi: Jephté, Ezechias, Abraham et Isaac & Tolle, sponsa
Carissimi: Jephte: "Cum vocasset in proelium" (Historicus, Jephte, Coro)
Carissimi: Jephte: "Et percussit Jephte" (Historicus)
Carissimi: Jephte: "Cum autem victor Jephte" (Historicus, Filia, Coro)
Carissimi: Jephte: "Cantate mecum Domino" (Filia, Coro)
Carissimi: Jephte: "Cum vidisset Jephte" (Historicus, Jephte)
Carissimi: Jephte: "Pater mi, si voviste votum Domino" (Filia, Jephte)
Carissimi: Jephte: "Vade filia mea" (Jephte, Historicus a 4)
Carissimi: Jephte: "Plorate colles" (Filia, Eccho)
Carissimi: Jephte: "Plorate filii Israel" (Coro)
Carissimi: Historia di Ezechias: "Aegrotante Ezechia" (Angeli, Dominus)
Carissimi: Historia di Ezechias: "Ezechia, hoc tibi dicit Dominus" (Isaias, Ezechias, Angeli)
Carissimi: Historia di Ezechias: "Obsecro, Domine" (Ezechias)
Carissimi: Historia di Ezechias: "Misertus est autem Dominus Ezechia et ait" (Angeli, Dominus, Ezechias)
Carissimi: Historia di Ezechias: "Narrabimus omnes opera Domini" (Coro)
Carissimi: Historia di Abraham et Isaac: "Tentavit Deus Abraham" (Historicus, Deus)
Carissimi: Historia di Abraham et Isaac: "Pater mi, ecce ignis" (Isaac, Historicus, Abraham)
Carissimi: Historia di Abraham et Isaac: "Non extendas manum tuam super Isaac" (Angelus, Abraham, Isaac)
Carissimi: Historia di Abraham et Isaac: "Vocavit et iterum Angelus Domini" (Historicus, Angelus, Coro)
Carissimi: Historia di Abraham et Isaac: "Qui misit Angelum" (Abraham, Coro)
Carissimi: Jonas, Lauda Sion & Missa "Ut queant laxis"
Missa "Ut queant laxis": Canzon dopo l'epistola
Missa "Ut queant laxis": Toccata per l'elevazione
Jonas: Cum repleta esset Ninive iniquitate
Jonas: Et praeparavit Dominus cetum grandem
Duetti da camera: No. 6, A piè d'un verde alloro "I filosofi"
The Beniamino Gigli Collection, Vol. 5: True Belcanto in Opera and Songs (Recordings 1927-1949) [2014 Digital Remaster]