1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0xa922b70cef053e59841859ccf8cac1eed0c8040d262b718c265ddf4dc4d220d9. Chain 2 (Bitcoin): anchored in block 953625 (2026-06-14T11:37:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/229e885e-fcff-4589-982d-438f276e67f7.json and https://artists.proofprofile.net/proofs/artist/229e885e-fcff-4589-982d-438f276e67f7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x2131411c0e0d492c2f61865df4a8cb092269791d3c33a75e79508d5b0f4650b6. 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/GBAYC1400699.
Verdi: Rigoletto, Act 1: "Questa o quella" (Duca)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb5159c77e2d8f75fac8f7d72fdc28c4328312c7adc0ac12819e6931473fdc15. 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/GBAYC1400701.
Verdi: Rigoletto, Act 1: "In testa che avete" (Rigoletto, Borsa, Coro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98874065e088ae409eb2058241c6071a928f4aa5c4b049c1e8637779d2822644. 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/GBAYC1400703.
Verdi: Rigoletto, Act 1: "Quel vecchio maledivami!" (Rigoletto, Sparafucile)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc334b4707fc7ed7892ff2f2c00337bd7159d01b2b0d43f658d93b08f910c1936. 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/GBAYC1400707.
Verdi: Rigoletto, Act 1: "Pari siamo!" (Rigoletto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe00e74c123ba8bfe9c6d4c5b3622232ebd31f6eb537a6539893bd78f9ccf85d6. 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/GBAYC1400708.
Verdi: Rigoletto, Act 1: "Figlia!" - "Mio padre!" (Rigoletto, Gilda, Giovanna)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5424ee93ad649219c272342a03dbfec0dc766e3a66ab0b45058281b79e46f6fd. 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/GBAYC1400709.
Verdi: Rigoletto, Act 1: "Ah, veglia, o donna" (Rigoletto, Gilda, Giovanna, Duca)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee9e38dcd0a21844470c12bea2917d399d56fafaf6e1b00d0fa6a799ba671b30. 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/GBAYC1400710.
Verdi: Rigoletto, Act 1: "È il sol dell'anima" (Duca, Gilda, Ceprano, Borsa, Giovanna)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65c956a4e7e0828de3f6ccc50f83a6e8916e810afe80568f6ee6f3c3606fe5a6. 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/GBAYC1400712.
Verdi: Rigoletto, Act 1: "Zitti, zitti, moviamo a vendetta" (Borsa, Marullo, Ceprano, Coro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x248f94f6fb31feaf3629a2a61555a591abe69028db72feda348d944102815c6f. 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/GBAYC1400716.
Verdi: Rigoletto, Act 2: "Parmi veder le lagrime" (Duca)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e643707b575513c7c440ec08087f1972a42cc4db261e1a1e3a172a318f378a3. 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/GBAYC1400719.
Verdi: Rigoletto, Act 2: "Compiuto pur quanto" (Rigoletto, Gilda, Usciere, Monterone)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe338feeb602c64f6dbc791ca76018b08173ab0fa717034574eadf288b8cfe71b. 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/GBAYC1400725.
Verdi: Rigoletto, Act 2: "Sì, vendetta, tremenda vendetta" (Rigoletto, Gilda)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4359d30820ad286592ebb6e993993fb6bb8049259d3a803c42468405ca21e147. 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/GBAYC1400726.
Verdi: Rigoletto, Act 3: "La donna è mobile" (Duca, Sparafucile, Rigoletto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2557d51087f6791c1056e9e9460e399124ed850767b48e86321a902d5f99fc57. 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/GBAYC1400728.
Verdi: Rigoletto, Act 3: "Un dì, se ben rammentomi" (Duca, Maddalena, Gilda, Rigoletto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c4eb4e71f90e927f7f08666887a9f5244020944c90b9f7278bc442b6bc520a8. 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/GBAYC1400729.
Verdi: Rigoletto, Act 3: "Bella figlia dell'amore" (Duca, Maddalena, Gilda, Rigoletto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x396a8dcad2d5adc4a499e123e52ba51886e79d2c6809134411c72d74f65b4cd2. 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/GBAYC1400730.
Verdi: Rigoletto, Act 3: "È amabile invero" (Maddalena, Sparafucile, Gilda, Coro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea02fc056ae07f3525913e83cb0843462dfeb2e45df0b03dcf469bd040f9b9c2. 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/GBAYC1400732.
Verdi: Rigoletto, Act 3: "Della vendetta alfin giunge l'istante!" (Rigoletto, Sparafucile, Duca)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47b6d4dc0f609ff2dd462f1afe1a85ba36edfb10c4a39b4ba3478558e547e7e8. 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/GBAYC1400733.
Verdi: Rigoletto, Act 3: "Chi è mai, chi è qui in sua vece?" (Rigoletto, Gilda)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65b34af25465d8952e8cb5254976465153f003ab192ec1c608df4535fe82cc83. 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/GBAYC2300168.
Verdi: Rigoletto, Act 3: "V'ho ingannato" (Rigoletto, Gilda)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46b667a9ed75cee903d705959e9d0f7b4778f0f490cb1a2e1867f027593ac5b2. 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/GBAYC2300169.
Verdi: Il trovatore (Recorded 1961) [Live]
Un ballo in maschera, Act I: Alla vita che t'arride
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0315c2fb801ce91d67c58368971e1d4a868d5ef6f4b004dc333179b90a0e446d. 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/QM6N21452109.
Un ballo in maschera, Act III: Eri tu, che macchiavi quell'anima
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x588c928434d619301eea4ad4e9be1d8302377ab9bf5eca20fc2a9cf08dc4057c. 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/QM6N21452124.
Un ballo in maschera, Act II: Ecco l'orrido campo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94518002156ac9ed1097b5a89d7b1b98d104a417a1b80c344ad478b0a0608519. 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/QM6N21452118.
Verdi: Un ballo in maschera (Stereo Version)
Verdi: Un ballo in maschera (Mono Version)
Berlioz: Les Troyens, H. 133 (Sung in Italian)
Leo: La morte di Abele, Extracts (Stereo Version)
Rigoletto, Atto I Scena 1: Questa o quella per me pari sono
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee4461bbaeb5ba09b9e1685eddbfa6a27a6a622e1d796ce04aa7173aaa13aa01. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USA560858563.
Rigoletto, Atto I Scena 8: Pari siamo !... io la lingua, egli ha il pugnale
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d71ff26b21ff978751d2aed35e2a5c18ea343eeb70348b30dc6e1afd6016de8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USA560858564.
Rigoletto, Atto II Scena 3-4: Povero Rigoletto!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac67c2309c3c7fee1bfd7fd8b5fc13fe996f90e2c43f3e858bbc2f87d491502d. 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/USA560858569.
Rigoletto, Atto II Scena 4: Cortigiani, vil razza dannata
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1d1b2a4ba2553c8ad3c9d75a7f0f5e41ba2e3ec0e657a70e6fc5231ed42e283. 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/USA560858570.
Rigoletto, Atto II Scena 6: Tutte le feste al tempio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaef0a48cd9be9c0e55dab2bf43da571565a32aead16b3aa2f2260ecec5214ba. 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/USA560858571.
Rigoletto, Atto II Scena 8: Si, vendetta, tremenda vendetta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06596a1152e68c7431793a5171b642984a9854d9ddab33510f7ee9ecedf392f0. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USA560858572.
Rigoletto, Atto III Scena 3: Bella figlia dell'amore
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dc6aabce3d76ffcf537e09439815417149ec3b640f455a41f23883af23115f7. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/USA560858575.
Rigoletto, Atto III Scena 7-8-9-10: Della Vendetta alfin giunge l'istante!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d9157b1794fa8aa4ce46c05419f7c59262482eb14203f94a41b706a5950551c. 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/USA560858576.
Rigoletto, Act II: Parmi veder le lagrime (Duca)
Orchestra Del Teatro Alla Scala Di Milan
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x530ffc88e4633975583d383c35367844d725c5c0a3ee4c8883da62f045543ead. 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/GBAYC9702294.
Verdi: Rigoletto, Act I: "Questa o quella"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11872cb87636152ab9fd6d35bc4b6ec7eaf823d5c0c0ab007ce5fdca35cfedbe. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/GBAYC9702274.
Rigoletto, Act II: Duca, Duca! .... Ebben? (Borsa/Marullo/Ceprano/Coro/Duca)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbda00a3c8342875e4faf79240aab39e894fc530785d9b1abea34568f1cab4461. 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/GBAYC9702295.
Rigoletto, Act I, Scene 1: In testa che avete (Rigoletto/Borsa/Coro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4507d6bd6994343712523b9ea7ef0a10b654fb2a6ce5a4727450034574546282. 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/GBAYC9702276.
Rigoletto, Act I, Scene 1: Ch'io gli parli (Monterone/Duca/Borsa/Rigoletto/Marullo/Ceprano/Coro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9036d26c9e60bddaf8aadb29db35962b0a56d10d8fd85815e49561da8b1f01b9. 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/GBAYC9702278.
Rigoletto, Act I, Scene 2: Quel vecchio maledivami (Rigoletto/Sparafucile)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ff0a376d8dc955fbd50a6e9e63ff52c37cf61cf1b7be3dc5f03be7bdf1dfade. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), 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/GBAYC9702281.
Rigoletto, Act II: Sì, vendetta, tremenda vendetta (Rigoletto/Gilda)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51db62ef154e74f2e0d8c6d2d91109efa4f5a3897da1f3a0a3851731bfa1bbbf. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/GBAYC9702301.
Verdi: Rigoletto, Act III: "La donna è mobile"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65d712315e6303a69438b5c3f3467e8d736b857e5fb9127c64d498d99fa43f0f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBAYC9702304.
Rigoletto, Act I, Scene 2: Giovanna, ho dei rimorsi (Gilda/Giovanna/Duca)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20e2fff2b4c342c1d8aa85d612dcfa7d023f22e22150e1d3735e0a72914337e5. 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/GBAYC9702285.
Rigoletto, Act III: Bella figlia dell'amore (Duca/Maddalena/Gilda/Rigoletto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b79682f7c1ffa5fe7a28c11e0292c3abaf969d480a9cea80c0d2ddaa7294924. 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/GBAYC9702306.
Rigoletto, Act III: Venti scudi hai tu detto? (Rigoletto/Sparafucile/Duca/Maddalena/Coro)
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Verdi: Rigoletto, Act 1 Scene 13: No. 6, Scene ed Aria, "Gualtier Maldè! … Caro nome che il mio cor" (Gilda, Borsa, Ceprano, Marullo, Chorus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36b3195bb74852e992dc2f8698277f8b5eac7653fb32243c97ca72f6ae2284b8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/GBAYC9702288.
Rigoletto, Act I, Scene 2: Riedo!...perche? ...Silenzio! (Rigoletto/Borsa/Ceprano/Marullo)
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Rigoletto, Act III: Chi mai, chi è qui in sua vece? (Rigoletto/Gilda)
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Rigoletto, Act I, Scene 2: Zitti, zitti, moviamo a vendetta (Borsa/Marullo/Ceprano/Coro)
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Mascagni: Cavalleria Rusticana - Leoncavallo: I Pagliacci
Leoncavallo: Pagliacci, Act 1 Scene 3: "E fra quest'ansie in eterno vivrai!" (Silvio, Nedda)
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Mascagni: Cavalleria rusticana: Intermezzo sinfonico
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Bellini: I puritani, Act 1 Scene 5: Cavatina, "A te, o cara, amor talora" (Arturo)
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Massenet: Le Cid, Act 3: "Ah ! Tout est bien fini" - "Ô souverain, ô juge, ô père" (Rodrigue)
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Donizetti: La Favorita, Act 4 Scene 3: No. 14, Recitativo e Romanza, "Favorita del Re! … Spirito gentil ne' sogni miei" (Fernando)
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Verdi: Il trovatore, Act 3 Scene 6: "Ah sì, ben mio, coll'essere … Di quella pira" (Manrico, Leonora, Ruiz, Chorus)
Renata Scotto, Carlo Bergonzi, Orchestra del Teatro dell’Opera di Roma & Sir John Barbirolli
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Verdi: La forza del destino, Act 3 Scene 1: "La vita è inferno all'infelice … O tu che in seno agli angeli" (Alvaro)
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Leoncavallo: Pagliacci, Act 1 Scene 4: "Recitar! Mentre preso dal delirio … Vesti la giubba" (Canio)
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Puccini: Manon Lescaut, Act 1: "Donna non vidi mai" (Des Grieux)
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Puccini: Tosca, Act 1 Scene 3: "Recondita armonia" (Cavaradossi)
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Verdi: Aïda, Act 1 Scene 1: Romanza, "Se quel guerrier io fossi! … Celeste Aida" (Radames)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64638a5d5dca8af569b584c9b26ca8cfc2f5e1031d00a4db1c2da0b8eca4d062. 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/GBAYC8904401.
Puccini: Turandot, Act 1: "Non piangere, Liù! … Ah! per l'ultima volta!" (Calaf, Liù, Timur, Ping, Pong, Pang, Chorus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69b908b6fa3f74f08899bf7e1dfba8228bf1538f749b5e05a26011f3b8856289. 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/GBAYC8805391.
Puccini: Turandot, Act 3: "Nessun dorma" (Calaf, Coro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x554a28e935385e220a3a1219c90d427374e242234079ea640030da4a6c4b95ca. 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/GBAYC8800934.
Opera - Världens vackraste arior / The Most Beautiful Arias in the World
Bizet: Carmen, Act 1: Habanera. "L'amour est un oiseau rebelle" (Carmen, Chœur)
Orchestre Philharmonique de Radio France
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Bizet: Carmen, Act 2: "Votre toast, je peux vous le rendre" (Escamillo, Chorus)
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Bizet: Carmen, WD 31, Act 2 Scene 5: No. 17, Cantabile, "La fleur que tu m'avais jetée" (Don José)
Orchestre National de la Radiodiffusion-Television Francaise
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Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)
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Die Zauberflöte, K.620, Act I: Der Vogelfänger bin ich ja
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Mozart: Die Zauberflöte, K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Königin)
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Donizetti: Don Pasquale, Act 1: "Sogno soave e casto" (Ernesto, Pasquale)
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Donizetti: Don Pasquale, Act 3: "Com' è gentil"
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58693dbd6da24246c1fd65f56baf9cf2ba4cc63bea6b2a6306d5c71b0592febd. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBAYC9802677.
Humperdinck: Hänsel und Gretel, Act 1: Tanzduett. "Brüderchen, komm tanz' mit mir" (Gretel, Hänsel)
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Strauss, R: Der Rosenkavalier, Op. 59, Act II: "Ganz zu Befehl, Herr Kavalier" (Ochs, Annina)
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Rossini: Il barbiere di Siviglia, Act 1: "La ran la le ra ... Largo al factotum della città" (Figaro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ae14eea26dd255da478d0aa7a28ca67ca0c2c63e2e4988854a6be2a4e8e216c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBAYC9200973.
Rossini: Il barbiere di Siviglia, Act 1 Scene 5: No. 9, Cavatina, "Una voce poco fa" (Rosina)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x320188892842af3255aff5b2b10010105d195e67482ee4085e72877ebebb2532. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBAYC9704709.
Verdi: Il trovatore, Act 4 Scene 1: "D'amor sull'ali rosee" (Leonora)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59ecad9849066405b79c6b0ded47ecb0cb5637492a46b6a8ede3d26a3c64d2ff. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ITD008700124.
Puccini: La Bohème, Act 1: "Che gelida manina" (Rodolfo)
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La Bohème (2002 Digital Remaster): Si, mi chiamano Mimi
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La Bohème: Quando men vo (Musetta's Waltz Song) (Act II)
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Catalani: La Wally, Act 1: "Ebben? ... Ne andrò lontana" (Wally)
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Verdi: La Traviata, Act 1: "Libiamo ne' lieti calici" (Alfredo, Tutti, Violetta)
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Mozart: Le nozze di Figaro, K. 492, Act 1: Aria. "Non più andrai" (Figaro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x218f4c74b962d10aa06d6968093120fa4da092cace86be478214f9c676201e6d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBAYC8600643.
Le nozze di Figaro, Act II: Aria: Porgi amor
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Mozart: Le nozze di Figaro, K. 492, Act 3: Duettino. "Sull'aria" (La Contessa, Susanna)
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Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
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Flotow: Martha, Act 3: "Ach, so fromm, ach, so traut"
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Gualtier Maldè!... Caro Nome, Gildas Aria, Ur Rigoletto, Akt I
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65d712315e6303a69438b5c3f3467e8d736b857e5fb9127c64d498d99fa43f0f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBAYC9702304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b79682f7c1ffa5fe7a28c11e0292c3abaf969d480a9cea80c0d2ddaa7294924. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBAYC9702306.
Dvořák: Rusalka, Op. 114, B. 203, Act 1: "Mesicku na nebi hlubokém" (Rusalka)
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Charpentier, G.: Louise, Act 3 Scene 1: "Depuis le jour où je me suis donnée" (Louise)
Orchestra of the Royal Opera House, Covent Garden
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Puccini: Tosca, Act 2 Scene 5: "Vissi d'arte, vissi d'amore" (Tosca)
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Puccini: Tosca, Act III: E lucevan le stelle (Cavaradossi)
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Korngold: Die tote Stadt, Op. 12, Act I: Lied. "Glück, das mir verblied" (Marietta)
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Les Contes d'Hoffmann (1989 Digital Remaster), Act III: Entr'acte et Barcarolle: Belle nuit, ô nuit d'amour (Une voix/Giulietta/Choeurs)
Orchestre De La Société Des Concerts Du Conservatoire
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Donizetti: L'Elisir d'amore, Act 2: Una furtiva lagrima
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La Gioconda (2000 Digital Remaster): Cielo e mar! (Act II)
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Puccini: Turandot, Act 1: "Signore, ascolta" (Liù)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9df1f17353e47c2c97b2b1ad673714accf55392e0d697c26fd827b0d9224accf. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBAYC9100841.
Verdi: Rigoletto (1955 - Serafin) - Callas Remastered
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2557d51087f6791c1056e9e9460e399124ed850767b48e86321a902d5f99fc57. 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/GBAYC1400728.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf817a986c53e42a5963c8ef8b86c74e79529a2835bc7d5ee2b6a148a57dbad8c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBAYC9400090.
Die Zauberflöte, K. 620, Act I: Der Vogelfänger bin ich ja (Papageno)
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Verdi: Rigoletto (Callas, Di Stefano, Gobbi / La Scala) (1955)
Highlights from Cavalleria Rusticana & I Pagliacci
Mascagni: Cavalleria Rusticana, Extracts - Leoncavallo: Pagliacci, Extracts (Stereo Version)