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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e8e6648b09d392f74e489c28a92fa7debea06c5360cad89285101054ae10da8. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8ac60230-b94e-4483-b61d-f82744b08d79.json and https://artists.proofprofile.net/proofs/artist/8ac60230-b94e-4483-b61d-f82744b08d79.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Orfeo ed Euridice, Act I: Act I Scene 1: Ah! se intorno a quest'urna funesta (Orfeo, Chorus)
Orfeo ed Euridice, Act I: Act I Scene 1: Accompanied Recitative: Basta, basta o compagni (Orfeo)
Orfeo ed Euridice, Act I: Act I Scene I: Ballet
Orfeo ed Euridice, Act I: Act I Scene 1: Accompanied Recitative: Euridice! Euridice! Ombra cara (Orfeo)
Orfeo ed Euridice, Act I: Act I Scene 1: Cavatina I: Cerco il mio ben (Orfeo)
Orfeo ed Euridice, Act I: Act I Scene 1: Accompanied Recitative: Euridice! Euridice! Ah questo nome (Orfeo)
Orfeo ed Euridice, Act I: Act I Scene 1: Cavatina II: Piango il mio ben (Orfeo)
Orfeo ed Euridice, Act I: Act I Scene 1: Accompanied Recitative - Allegro: Numi, barbari numi (Orfeo)
Orfeo ed Euridice, Act I: Act I Scene 2: Accompanied Recitative: T’assiste Imene (Imeneo, Orfeo)
Orfeo ed Euridice, Act I: Act I Scene 2: Aria: Gli sguardi trattieni (Imeneo)
Orfeo ed Euridice, Act I: Act I Scene 2: Accompanied Recitative: Che disse, che ascoltai? (Orfeo)
Orfeo ed Euridice, Act II: Act II Scene 1: Ballet: Maestoso - Chi mai dell’erebo (Chorus)
Orfeo ed Euridice, Act II: Act II Scene 1: Deh placatevi con me (Orfeo, Chorus)
Orfeo ed Euridice, Act II: Act II Scene 1: Misero giovine - Altro non abita (Chorus)
Orfeo ed Euridice, Act II: Act II Scene 1: Ah quale incognito (Orfeo)
Orfeo ed Euridice, Act II: Act II Scene 1: Men tiranne, ah! (Orfeo)
Orfeo ed Euridice, Act II: Act II Scene 1: Ah quale incognito - Le porte stridono (Chorus)
Orfeo ed Euridice, Act II: Act II Scene 2, Campi Elisi: Che puro ciel (Orfeo, Chorus)
Orfeo ed Euridice, Act II: Act II Scene 2, Campi Elisi: Vieni a regni del riposo (Chorus)
Orfeo ed Euridice, Act II: Act II Scene 2, Campi Elisi: Accompanied Recitative: Anime avventurose (Orfeo, Chorus)
Orfeo ed Euridice, Act II: Act II Scene 2: Torna o bella al tuo consorte (Chorus)
Orfeo ed Euridice, Act II: Act II Scene 2, Campi Elisi: Ballo degli Eroi: Allegretto
Orfeo ed Euridice, Act III: Act III Scene 1: Accompanied: Vieni segui i miei passi (Orfeo, Euridice)
Orfeo ed Euridice, Act III: Act III Scene 1: Duet: Vieni appaga il tuo consorte (Orfeo, Euridice)
Orfeo ed Euridice, Act III: Act III Scene 1: Accompanied: Qual vita e questa mai (Euridice)
Orfeo ed Euridice, Act III: Act III Scene 1: Aria: Che fiero momento (Euridice)
Orfeo ed Euridice, Act III: Act III Scene 1: Accompanied Recitative: Ecco un nuovo tomento (Orfeo, Euridice)
Orfeo ed Euridice, Act III: Act III Scene 1: Arioso: Che faro senza Euridice (Orfeo)
Orfeo ed Euridice, Act III: Act III Scene 1: Accompanied Recitative - Arioso: Ma finisca per sempre (Orfeo)
Orfeo ed Euridice, Act III: Act III Scene 2: Accompanied Recitative: Orfeo che fai? (Imeneo)
Orfeo ed Euridice, Act III: Act III Scene 3: Finale: Ballet: Allegro Maestoso
Orfeo ed Euridice, Act III: Act III Scene 3: Finale: Trionfi amore (Imeneo, Orfeo, Euridice, Chorus)
Orfeo ed Euridice, Act I: Ah! Se intorno a quest'urna funesta (Live)
Orfeo ed Euridice, Act I: Basta, basta o compagni (Live)
Orfeo ed Euridice, Act I: Euridice! Euridice! Ombra cara (Live)
Orfeo ed Euridice, Act I: Cerco il mio ben (Live)
Orfeo ed Euridice, Act I: Euridice! Euridice! Ah questo nome (Live)
Orfeo ed Euridice, Act I: Piango il mio ben (Live)
Orfeo ed Euridice, Act I: Numi, barbari numi (Live)
Orfeo ed Euridice, Act I: T'assiste Imene (Live)
Orfeo ed Euridice, Act I: Gli sguardi trattieni (Live)
Orfeo ed Euridice, Act I: Che disse, che ascoltai? (Live)
Orfeo ed Euridice, Act II: Chi mai dell’erebo (Live)
Orfeo ed Euridice, Act II: Deh placatevi con me (1) [Live]
Orfeo ed Euridice, Act II: Misero giovine - Altro non abita (Live)
Orfeo ed Euridice, Act II: Deh placatevi con me (2) [Live]
Orfeo ed Euridice, Act II: Ah quale incognito (1) [Live]
Orfeo ed Euridice, Act II: Men tiranne, ah! (Live)
Orfeo ed Euridice, Act II: Ah quale incognito (2) [Live]
Orfeo ed Euridice, Act II: Che puro ciel (Live)
Orfeo ed Euridice, Act II: Vieni a regni del riposo (Live)
Orfeo ed Euridice, Act II: Anime avventurose (Live)
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb21734801b76cafddd8b3449f40977f7ecd95d0376c0d7e2cc37db07372e7f8. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEQG41601750.
Orfeo ed Euridice, Act II: Torna o bella al tuo consorte (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4932ab9a42145e28f43cebca197b5b7411a35ec85adcd24265c15b56f16c636. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEQG41601751.
Orfeo ed Euridice, Act II: Ballo degli eroi. Allegretto (Live)
Orfeo ed Euridice, Act III: Vieni segui i miei passi (Live)
Orfeo ed Euridice, Act III: Vieni appaga il tuo consorte (Live)
Orfeo ed Euridice, Act III: Qual vita è questa mai (Live)
Orfeo ed Euridice, Act III: Che fiero momento (Live)
Orfeo ed Euridice, Act III: Ecco un nuovo tomento (Live)
Orfeo ed Euridice, Act III: Che farò senza Euridice (Live)
Orfeo ed Euridice, Act III: Ma finisca per sempre (Live)
Orfeo ed Euridice, Act III: Orfeo che fai? (Live)
Orfeo ed Euridice, Act III: Finale. Allegro Maestoso (Live)
Orfeo ed Euridice, Act III: Finale. Trionfi amore (Live)
Orfeo ed Euridice: "Sinfonia" - Remastered 2025
Orfeo ed Euridice, Act I, Scene 1: "Ah! se intorno a quest’urna funesta" (Orfeo) - Remastered 2025
Orfeo ed Euridice, Act I, Scene 1: "Basta, basta o compagni" (Orfeo) - Remastered 2025
Orfeo ed Euridice, Act I, Scene 1: "Ballo" - Remastered 2025
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x525b0a32c7aaab8892df02106b8573fc38c2232ef5fc6182766ff8d48b8bd999. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEQG42501744.
Orfeo ed Euridice, Act I, Scene 1: "Euridice! Euridice! Ombra cara" (Orfeo) - Remastered 2025
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3965d7fda74db33b8aca309c33c60ad15712b92937c439a48e83d693fae99e33. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEQG42501745.
Orfeo ed Euridice, Act I, Scene 1: "Cerco il mio ben" (Orfeo) - Remastered 2025
Orfeo ed Euridice, Act I, Scene 1: "Euridice! Euridice! Ah questo nome" (Orfeo) - Remastered 2025
Orfeo ed Euridice, Act I, Scene 1: "«Piango il mio ben" (Orfeo) - Remastered 2025
Orfeo ed Euridice, Act I, Scene 1: "Numi, barbari numi" (Orfeo) - Remastered 2025
Orfeo ed Euridice, Act I, Scene 2: "T’assiste Imene" (Orfeo, Imeneo) - Remastered 2025
Orfeo ed Euridice, Act I, Scene 2: "Gli sguardi trattieni" (Imeneo) - Remastered 2025
Orfeo ed Euridice, Act I, Scene 2: "Che disse, che ascoltai?" (Orfeo) - Remastered 2025
Orfeo ed Euridice, Act II, Scene 1: "Chi mai dell’erebo – Ballo" (Coro) - Remastered 2025
Orfeo ed Euridice, Act II, Scene 1: "Deh placatevi con me" (Orfeo, Coro) - Remastered 2025
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc6a39bf42895c41207471b8093d9d660b7ee2ffb5cfb289471ec2c55365ae2b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEQG42501754.
Orfeo ed Euridice, Act II, Scene 1: "Misero giovine / Altro non abita" (Coro) - Remastered 2025
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x291721c0d47d32b4106f21a701adac404d362a9c88ad5470c48cd10fce088f85. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEQG42501756.
Orfeo ed Euridice, Act II, Scene 1: "Ah quale incognito" (Coro) - Remastered 2025
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12fe9fcab39618c5e1968585b87fc596c679a45c24301e90a6976e01426b2309. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEQG42501757.
Orfeo ed Euridice, Act II, Scene 1: "Men tiranne, ah!" (Orfeo) - Remastered 2025
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd72aa8141bbba4b3340a64be3275ad614c2b33b4b4f0630b57a57ca644b2445a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEQG42501758.
Orfeo ed Euridice, Act II, Scene 1: "Ah quale incognito / Le porte stridono" (Coro) - Remastered 2025
Orfeo ed Euridice, Act II, Scene 2 "Campi Elisi": "Che puro ciel" (Orfeo, Coro) - Remastered 2025
Orfeo ed Euridice, Act II, Scene 1 "Campi Elisi": "Vieni a regni del riposo" (Coro) - Remastered 2025
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ea3b2970f9c78c37bf200d15985db8df603e9ccf48d4489d5811fa1847cbccd. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEQG42501761.
Orfeo ed Euridice, Act II, Scene 1 "Campi Elisi": "Anime avventurose" (Orfeo) - Remastered 2025
Orfeo ed Euridice, Act II, Scene 1 "Campi Elisi": "Torna o bella al tuo consorte" (Coro) - Remastered 2025
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x410b9214ea39de18ba53b567bbb390695870749b4097b514ca3c83ef1052fd68. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEQG42501763.
Orfeo ed Euridice, Act II, Scene 1 "Campi Elisi": "Ballo degli Eroi - Allegretto" - Remastered 2025
Orfeo ed Euridice, Act III, Scene 1: "Vieni segui i miei passi" (Orfeo, Euridice) - Remastered 2025
Orfeo ed Euridice, Act III, Scene 1: "Vieni appaga il tuo consorte" (Orfeo, Euridice) - Remastered 2025
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f10bf7d907c146edfe50c0adbf90588dd5923193e2d64b3f389bd8f178847f2. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEQG42501766.
Orfeo ed Euridice, Act III, Scene 1: "Qual vita è questa mai" (Euridice) - Remastered 2025
Orfeo ed Euridice, Act III, Scene 1: "Che fiero momento" (Euridice) - Remastered 2025
Orfeo ed Euridice, Act III, Scene 1: "Ecco un nuovo tormento" (Euridice, Orfeo) - Remastered 2025
Orfeo ed Euridice, Act III, Scene 1: "Che farò senza Euridice" (Orfeo) - Remastered 2025
Orfeo ed Euridice, Act III, Scene 1: "Ma finisca per sempre" (Orfeo) - Remastered 2025
Orfeo ed Euridice, Act III, Scene 2: "Orfeo che fai?" (Imeneo, Euridice, Orfeo) - Remastered 2025
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x641244f2f7304d05a03ef41c060650d7bc84ae10d8c4e5ff52be22c241942426. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEQG42501772.
Orfeo ed Euridice, Act III, Scene 3: "Ballo - Allegro Maestoso" - Remastered 2025
Orfeo ed Euridice, Act III, Scene 3: "Trionfi amore" (Imeneo, Orfeo, Euridice, Coro) - Remastered 2025
Coro Accademia di Santo Spirito, Ferrara