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 0xda387c67898866915221d173d811f9da8c565d0f70a3d5556feef9713fe334a7. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8616115e-30b1-42c5-b087-3f98d9e05561.json and https://artists.proofprofile.net/proofs/artist/8616115e-30b1-42c5-b087-3f98d9e05561.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Adriana Lecouvreur / Act I: "Ecco: respiro appena ... Io son l'umile ancella"
Orchestra dell'Accademia Nazionale di Santa Cecilia
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 0x1d0f460fea1eea09a55b801bd6200ae58619c7c788dbf1f909d7aae71358b220. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEN961501880.
Andrea Chénier / Act III: "La mamma morta"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x058767e2fa119eb3b440f795aad3c652a84426f2e7192dce8f2285a51dfdb565. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/DEN961501890.
Madama Butterfly / Act II: "Un bel dì vedremo"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7498ee4582ede8f1c9d6878a004927c5375fafc354ff35ef3254cd5b7a825c71. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/DEN961501900.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5dad133fd13fdd600024f924ffe206063454c5771ee9253c0e7580da0ab11a5. 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/DEN961501910.
Pagliacci / Act I: "Qual fiamma avea nel guardo! ... Stridono lassù"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a33fd35cc237081ceaab9bab212786c90941edc4d0c30a8106716eeafa1ba4d. 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/DEN961501920.
La Wally / Act I: "Ebben? Ne andrò lontana"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc165943ab080b830d08f1c09a78d30aa4fbf88681cea2590dd0d55ca611b47ae. 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/DEN961501790.
Tosca / Act II: "Vissi d'arte, vissi d'amore"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x081d9e1b75d2199aa21fd15a7081747fe5f9f5d07f20be1217ce5d5777745cc2. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEN961501950.
Coro dell'Accademia Nazionale Di Santa Cecilia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c4add2c9b4c7ae152f0bff9262188f0da10c0753413c19a33a4b688ff45f9cb. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/DEN961501960.
Manon Lescaut / Act II: "In quelle trine morbide"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3791772ea4584f648c50e275d5db96712c19706233f71dfb78bfbec3476c42fa. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DEN961501830.
Manon Lescaut / Act IV: "Sola perduta, abbandonata"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x305462f0ebbfadd9300c5b8d5a66eee94e1144fe05d28a6319ca57c9ef2040da. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/DEN961502000.
Manon Lescaut / Act IV: "Fra le tue braccia amore"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6fe64a08cb795223ac5e3e358fa857bb91d05f000f119089f65ece544593398. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/DEN961502010.
Manon Lescaut, SC 64, Act I: L'amor?! L'amor?! - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eb3c34abde07c6a8feade67c132def9be843656f81688656391b9e86bc7328b. 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/DEN961630902.
Manon Lescaut, SC 64, Act I: Ma bravo! - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd35593599402ae44bc6401ff81ad96e61f6fc3298c7a6de7b7e1852643c16cb1. 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/DEN961630904.
Manon Lescaut, SC 64, Act I: Discendono, vediam! - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4727c114845c6b2169abaeda307cece23ae8ff4cfa62f3b1e898c6fb298680bb. 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/DEN961630905.
Manon Lescaut, SC 64, Act I: Cortese damigella - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x198e5091bbdf4f9cdf3fa6196626e1af87baa1b129b4a92b9ef950d143078799. 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/DEN961630906.
Manon Lescaut, SC 64, Act I: La tua Proserpina - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20325c629f44bed42be0c1a88201a76cbf3628b811aaf527e89285d8258807ae. 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/DEN961630909.
Manon Lescaut, SC 64, Act I: Non c'è più vino? - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbccf5291fa73e522bd0ff4ac0caaf33f9366929746138c86019d19b815a45b35. 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/DEN961630911.
Manon Lescaut, SC 64, Act II: In quelle trine morbide - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0a280604111b2075eb82b4654f8541e2fd573c31150f18fe986582c385ec1bd. 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/DEN961630914.
Manon Lescaut, SC 64, Act II: Che ceffi son costor? Sulla vetta tu del monte - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab5e2f038470e2ae86a751a4bbd3c29625e7fc3f36b0ff93bf130b9e93f9a406. 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/DEN961630916.
Manon Lescaut, SC 64, Act II: Paga costor! - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x783c6e97bcf2c10bd19f072c9035ffb6fd9c20a212de666fb8207cc18a7717f4. 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/DEN961630917.
Manon Lescaut, SC 64, Act II: Vi prego, signorina. Minuetto - L'ora, O Tirsi, è Vi Signori, Abati - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea9d201edd87e680b75a503b5d4a4128ad64d4600366b46e021dff03f4fbab9c. 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/DEN961630918.
Manon Lescaut, SC 64, Act II: Oh, sarò la più bella! - Tu, tu, amore? Tu? - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x552f2b61a06eb4a4120d653a12adb2a341fe6a44c471c6c73163e2423f4fad9e. 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/DEN961630919.
Manon Lescaut, SC 64, Act II: Ah! ah! Liberi! Ah! Manon, mi tradisce - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31b7447a383720803bd14100b1c900c4d48f6402b7a670fc32e435722032781d. 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/DEN961630921.
Manon Lescaut, SC 64, Act II: Lescaut? Tu qui? - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91c9e40a7e610e254977731a8d88108d2f310a12ec79017988c3d326a2e22b6e. 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/DEN961630922.
Manon Lescaut, SC 64, Act III: Ansia eterna, crudel - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff697722bb7c87d97704291de2d9dc2401f6754486854025362ca34a05e6d690. 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/DEN961630924.
Manon Lescaut, SC 64, Act III: Manon, disperato è il mio prego! - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf286fb0b3bf6295073d414723532d43dd0634a1ee189d8a3224b03fa50f3b39b. 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/DEN961630926.
Manon Lescaut, SC 64, Act III: Presto! In fila! - No! pazzo son! - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e085c9a43d77932db10b7681b9317ff30440ca6db360628add602d07674877d. 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/DEN961630929.
Manon Lescaut, SC 64, Act IV: Sei tu che piangi? - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65d2a31503fce45f472f68c1f2ab4453b2beee900d49349f8fe990ae5c116fd4. 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/DEN961630932.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0bc5d75f451442772fd9645d34380d1b3b83f73340df69fa99176c75afc817b. 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/DEN961700280.
Gianni Schicchi, SC 88: O mio babbino caro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc988ad52833a92382916f2146576abd3e0cc1198e5dc5c5e935b79f88ea9ced8. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/DEN960400190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd200dc80cea5d9cfa053b6af970522e74240820738ad57a8e88e4946f80e2c0e. 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/DEN961700290.
La traviata, Act I: Sempre libera "Cabaletta"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x110a53a0ca8d26d0a8f21d394e335ca20bdc842244fbfe5de20d8e7670910322. 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/DEN960400132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08c1fa1d29040b39f9121c16ca2b022a87e2aed4f08b5f53f506453ec37b904a. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/DEN961700300.
La Bohème / Act 1: "Sì. Mi chiamano Mimì" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0647d431b6cdffad2b8ecd2cf8b1e4d1039beb77fcd3fbab4d5d0bca98a0d5ea. 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/DEN960730309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65096de08b36e412b2ca6eeaed214c1837b48799fa146eb366463c7a78b15e31. 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/DEN961700310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45a6cc9ad8a0c3302d2e5ebbd77fd0e579a32a6022d684834646ca5a6af33da2. 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/DEN961700320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3354320c921f9084395bd5d194831b50e031fe0d312f67a1b828f7a5702c213e. 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/DEN960800320.
Rusalka, Op. 114, B.203 / Act 1: Mesicku na nebi hlubokém
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8138992821835557d071cac7c1115a94a09e82637860560c6ae1fc263b45835f. 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/DEN960300069.
12 Songs, Op. 21 - Arr. by Michael Rot: VII. Zdes′ khorosho
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5817c745fb22b5ac369d21c8d2a17397fa646bdefd9a9bc2432798d05bae112e. 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/DEN960630902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64db8f9c8c4ba295b3c35ef9a7beed923fefe8b7b2ae69450c25a2afa8c467f3. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/DEN961700360.
Ciganské melodie, Op. 55, B. 104 - Arr. by Jiri Teml: IV. Kdyz mne stara matka
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5df7cb915a89c738c6952a19eeb58bd56d6c5e4972f2941c085b473aa25b2d00. 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/DEN960800340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x327ec7a5d1a3eb348d9c323d8b86a4222bfc698bc3f79ebfa0c7adf1aa4b82a6. 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/DEN961700370.
Fünf Lieder, Op. 41, TrV 195: I. Wiegenlied
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef22110ec88302054d63395e68ed9f96745bc13a61504752fe59c09cb0eba9e7. 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/DEN960800350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7498ee4582ede8f1c9d6878a004927c5375fafc354ff35ef3254cd5b7a825c71. 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/DEN961501900.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x081d9e1b75d2199aa21fd15a7081747fe5f9f5d07f20be1217ce5d5777745cc2. 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/DEN961501950.
Les Contes d'Hoffmann / Act II: Barcarolle
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x995d4eff3676ca279ea33e57d290d2bdf80161039ff41ec9a316fcfb4a7e949c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/DEN960800300.
I Capuleti e i Montecchi / Act 1: Vieni, ah! vieni, e in me riposa - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f46b9b9496f9b3aedef1c1ebfd534e35ea9b7feddbed70850d86808341b98d9. 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/DEN960830318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66b8fe09ebcd582d6f671a769b3fbf08132043de53e1e013ff11fbc145e0a627. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/DEN961700420.
Iolanta Op. 69, TH 11: "Otčego ėto prežde ne znala" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65e0ff94de3aa73c7796e171958799025782cee77a241daee14f2949cbad8abf. 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/DEN961231203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80dfd9f32ae5d00a5ffd1cb89919ac7c81d1da291b5c5c3050dba37d54552e0b. 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/DEN961700450.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x000c9a25a8710f9d995c16e62fe837124944c97d0307f55d34d04912e12f7e5d. 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/DEN960601200.
Puccini: Turandot / Act 3, "Nessun dorma"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1e219b8eedc938ffd39080e35a9d1f3abb44e7b8460a7a8f6da2fc65d4f07f3. 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/DEN961800330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92ecf2397762cd0e3bbb1d2d473901dad20e735065a30a5cc0b1a15dd1ee5dd7. 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/DEN961800320.
Non ti scordar di me (Arr. for Soprano, Tenor and Orchestra by Giancarlo Chiaramello)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39f7a60ef7cbc55bf1d7847a9797e9f472235838653238376947ed0a86d5c1d5. 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/DEN961800310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd92f257da19becda39ffc31f1f6c0a2d2411ea7bc9f290cbebdb7a45a8019072. 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/DEN961800340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x081d9e1b75d2199aa21fd15a7081747fe5f9f5d07f20be1217ce5d5777745cc2. 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/DEN961501950.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7498ee4582ede8f1c9d6878a004927c5375fafc354ff35ef3254cd5b7a825c71. 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/DEN961501900.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x058767e2fa119eb3b440f795aad3c652a84426f2e7192dce8f2285a51dfdb565. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/DEN961501890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbb1ff64ad4b732e94791295396b6fd5db97850cb8a488b1084f3578b5d4e969. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/DEN960730311.
12 Songs, Op. 21: 7. Zdes′ khorosho (Arr. by Michael Rot)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5817c745fb22b5ac369d21c8d2a17397fa646bdefd9a9bc2432798d05bae112e. 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/DEN960630902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd200dc80cea5d9cfa053b6af970522e74240820738ad57a8e88e4946f80e2c0e. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/DEN961700290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3354320c921f9084395bd5d194831b50e031fe0d312f67a1b828f7a5702c213e. 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/DEN960800320.
Lakmé: Viens, Mallika, ... Dôme épais (Flower Duet) - Excerpt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83ded58f74d2a481619d9a51c5d27aa0a389796678da3caab6ad9cbd4870f5a2. 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/DEN960730815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3db1855457f830d103133174cb7d46a67aeb0960309f79dafa24e9d3d1b7c02b. 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/DEN960730816.
Les Contes d'Hoffmann: Barcarolle - Excerpt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3469182194c9dd52fb4a55aa916d511332be8bd82bedb685f6a7d23fdd17c3ed. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/DEN960800301.
Curtis: Non ti scordar di me (Arr. for Soprano, Tenor and Orchestra by Giancarlo Chiaramello)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39f7a60ef7cbc55bf1d7847a9797e9f472235838653238376947ed0a86d5c1d5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/DEN961800310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd200dc80cea5d9cfa053b6af970522e74240820738ad57a8e88e4946f80e2c0e. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEN961700290.