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 0x714c9e546bd173cb4d2db8611e2d80db132a9f8778a926d12f67ccc260b36419. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4c3b69d6-76cb-42f9-8c70-ac0415bc6bb1.json and https://artists.proofprofile.net/proofs/artist/4c3b69d6-76cb-42f9-8c70-ac0415bc6bb1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Orchestra del Maggio Musicale Fiorentino
L'amico Fritz, Act II: Intermezzo (Live)
L'amico Fritz, Act I: Ma questa è una pazzia! (Live)
L'amico Fritz, Act III: Tutto ho tentato (Live)
L'amico Fritz, Act I: Son pochi fiori (Live)
L'amico Fritz, Act III: Mio caro Fritz! Ti volli salutare (Live)
L'amico Fritz, Act I: Orsù, vieni tra noi (Live)
L'amico Fritz, Act III: O pallida, che un giorno mi guardasti (Live)
L'amico Fritz, Act I: Chi mai sarà? (Live)
L'amico Fritz, Act III: O amore, o bella luce del core (Live)
L'amico Fritz, Act I: Laceri, miseri (Live)
L'amico Fritz, Act III: L’amico Fritz fantastica d’amore! (Live)
L'amico Fritz, Act I: Viva lo zingaro! (Live)
L'amico Fritz, Act III: Non mi resta che il pianto (Live)
L'amico Fritz, Act I: Son gli orfanelli (Live)
L'amico Fritz, Act III: Suzel! - Signor! (Live)
L'amico Fritz, Act II: Ah, le belle ciliegie! (Live)
L'amico Fritz, Act III: Ah! Ditela per me (Live)
L'amico Fritz, Act II: Bel cavalier, che vai per la foresta (Live)
L'amico Fritz, Act III: Amici, ho vinto (Live)
L'amico Fritz, Act II: Suzel, buondì (Live)
L'amico Fritz, Act II: Tutto tace (Live)
L'amico Fritz, Act II: Oh! Chi è che giunge? (Live)
L'amico Fritz, Act II: Faceasi vecchio Abramo (Live)
L'amico Fritz, Act II: Quale strano turbamento (Live)
L'amico Fritz, Act II: Fritz, noi partiamo, addio! (Live)
La traviata, Act I: Dell’invito trascorsa è già l’ora (Live)
La traviata, Act I: Dunque a te, un brindisi! (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 0x3b24590c82bd84c98f7fa4df2b023b553d63c176cb6b7a620f38a0e19fc74670. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/ITN322220660.
La traviata, Act I: Che è cio?...Voi qui? (Live)
La traviata, Act I: Un dì, felice, eterea (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x531c92c213076321437533f32c476f657f6efb7a3413f93f5c49ef080eb0dc23. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/ITN322220662.
La traviata, Act I: Ebben, che diavol fate? (Live)
La traviata, Act I: Si ridesta in ciel l’aurora (Live)
La traviata, Act I: Ah, forse è lui (Live)
La traviata, Act I: Sempre libera degg’io (Live)
La traviata, Act II: Lunge da lei...de’ miei bollenti spiriti (Live)
La traviata, Act II: Annina, donde vieni? (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c1385fd4eb11944569c307a2d35f90e6c5d1af729d66fd27af0d7a5b16320f9. 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/ITN322220669.
La traviata, Act II: Madamigella Valery? (Live)
La traviata, Act II: Pura siccome un angelo (Live)
La traviata, Act II: Un dì quando le veneri (Live)
La traviata, Act II: Ah, dite alla giovine (Live)
La traviata, Act II: Dammi tu forza, o cielo (Live)
La traviata, Act II: Ah, vive sol quel core (Live)
La traviata, Act II: Di provenza il mar, il suol (Live)
La traviata, Act II: No, non udrai rimprover (Live)
La traviata, Act II: Avrem lieta di maschere la notte (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3565522f751df1933e80d52f0ce04b11c213073f1e84a1684b4bd51947ae39d1. 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/ITN322220680.
La traviata, Act II: Di Madride noi siam mattadori (Live)
La traviata, Act II: Alfredo! Voi! (Live)
La traviata, Act II: Invitato a qui seguirmi (Live)
La traviata, Act II: Di sprezzo degno sé stesso rende (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b9b5c203874c19217dd7fd6ae4910ee07e81188cfc70f421da67eb774b9db73. 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/ITN322220685.
La traviata, Act III: Teneste la promessa (Live)
La traviata, Act III: Addio del passato (Live)
La traviata, Act III: Largo al quadrupede (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x745263ad81bd866aaf480e6d7a4a4c60743e1b773e74ed3d82cfe48bf9da5e53. 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/ITN322220688.
La traviata, Act III: Parigi, o cara, noi lasceremo (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a4b761ea54d70b7e3066a4c60ee440cd93e993cc3d8e6a14c3fbe7394e872d1. 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/ITN322220689.
La traviata, Act III: Ma se tornando...gran Dio morir sì giovane (Live)
La traviata, Act III: Ah, Violetta! (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8550b0a4e7afa54ee431143fb405f9e9dd6cdaac5d24e5f0dd3eb0d0af536686. 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/ITN322220692.
La traviata, Act III: Prendi, questa è l’immagine (Live)
Siberia, Act I "La donna": Godi dunque il tuo sole (Live)
Siberia, Act III "L'eroina": Dalle nuvole ha il ciel (Live)
Siberia, Act I "La donna": La Bàrina? No, non ancora (Live)
Siberia, Act III "L'eroina": O donne, dite, stracci vecchi avete (Live)
Siberia, Act I "La donna": La Signora? Due parole (Live)
Siberia, Act III "L'eroina": Chi mai sarà? (Live)
Siberia, Act I "La donna": Avanti! (Live)
Siberia, Act III "L'eroina": Al lavoro! (Live)
Siberia, Act I "La donna": O bella mia (Live)
Siberia, Act III "L'eroina": Gléby? (Live)
Siberia, Act I "La donna": Hanno cantato al nulla le cicale (Live)
Siberia, Act III "L'eroina": Spremi dal cuor (Live)
Siberia, Act I "La donna": Nel suo amore rianimata (Live)
Siberia, Act III "L'eroina": Così credi sfuggirmi? (Live)
Siberia, Act I "La donna": Gléby! (Live)
Siberia, Act III "L'eroina": Allegro moderato (Live)
Siberia, Act I "La donna": Ogni giorno in me amor (Live)
Siberia, Act III "L'eroina": Or vedrete che scena! (Live)
Siberia, Act I "La donna": Un giovine uffizial chiede di te (Live)
Siberia, Act III "L'eroina": La conobbi quand'era fanciulla (Live)
Siberia, Act I "La donna": Sei giovane! Soldato! (Live)
Siberia, Act III "L'eroina": Fiele! Da un'ora! (Live)
Siberia, Act II "L'amante": Preludio (Live)
Siberia, Act III "L'eroina": Ah, se il fango della terra (Live)
Siberia, Act II "L'amante": Buon dì! (Live)
Siberia, Act III "L'eroina": O bella mia (Live)
Siberia, Act II "L'amante": Di' pel nome di Cristo! (Live)
Siberia, Act III "L'eroina": Un giorno ebbe l'amor pietà di me! (Live)
Siberia, Act II "L'amante": Malori! Dolori! (Live)
Siberia, Act III "L'eroina": Cristo è risorto! (Live)
Siberia, Act II "L'amante": Il rancio! (Live)
Siberia, Act III "L'eroina": Orsù l'orchestra dia principio (Live)
Siberia, Act II "L'amante": La poloo-tappa della Steppa d'Omsk? (Live)
Siberia, Act III "L'eroina": Ah! Disgraziata! (Live)
Siberia, Act II "L'amante": Orride steppe, torrida l'estate! (Live)
Siberia, Act III "L'eroina": Non piangere! (Live)
Siberia, Act II "L'amante": È qui con te (Live)