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 0x1addcd2e8b86cc508793de1e6a012c2c9f75fd214b07c1eca1ca752b5a042499. 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/936818d7-c3bb-4b30-afd1-8e4986217ce9.json and https://artists.proofprofile.net/proofs/artist/936818d7-c3bb-4b30-afd1-8e4986217ce9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Vivaldi: Giustino, RV 717: Sinfonia, 1. Allegro
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 0x1d55b0e0e21c7afd1f3de4ec600ace9ce215a1c52bde271c8d1ca2a43bf95bff. 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/GBAYC0103175.
Vivaldi: Giustino, RV 717, Act 2 Scene 3: No. 18, Aria, "Per noi soave e bella" (Arianna)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x677bc3af097bbcf971e457f18fdbd8290b6f42daa4df3bf157bed85248c06b66. 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/GBAYC0103211.
Vivaldi: Giustino, RV 717, Act 1 Scene 1: Recitativo, "Il barbaro nemico … Vitaliano, il di cui nome vola" (Amanzio, Anastasio, Polidarte, Arianna)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1522fa59c86a4c96b78ffee3005356ddd2d110f19949b3cd9c6fdff03362169. 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/GBAYC0103183.
Vivaldi: Giustino, RV 717, Act 1 Scene 5: No. 5, Sinfonia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5404441109d15cad2d1ec1e0958e2035a001ae20993fcbaa02bc1bcb0a8ae1c4. 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/GBAYC0103189.
Vivaldi: Giustino, RV 717, Act 1 Scene 5: Recitativo, "Oh chiunque tu sii, ch'ora m'inviti … Cieli! Numi! Soccorso!" (Giustino, Leocasta)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53d9ffcf19cfe4c4d99438dc4b9fb8a14277e4acf8e9c41c2682693740014556. 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/GBAYC0103192.
Vivaldi: Giustino, RV 717, Act 1 Scene 8: No. 10, Aria, "Allor che mi vedrò" (Giustino)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e060e871f51bb05fa2071358eaa966f5ef8b6dec54b0a32f30b4d510a1b1c44. 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/GBAYC0103199.
Vivaldi: Giustino, RV 717, Act 1 Scene 9: No. 13, Aria, "Vanne sì, superba, va" (Vitaliano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeba6acab952d3f9573efda380ad5f84c51e29ea8e89823202019221e0cd0fdc3. 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/GBAYC0103202.
Vivaldi: Giustino, RV 717, Act 1 Scene 9: No. 14, Aria, "Mio dolce amato sposo" (Arianna)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde8584a682e74a915d946a93de214a1d70d631cb959485e481a6d815abeb7880. 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/GBAYC0103204.
Vivaldi: Giustino, RV 717, Act 2 Scene 1: Recitativo, "Al dispetto dell'onde" (Giustino, Anastasio)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fce813e94b86b06445d5e10c1dc97573087599cdbb53df6c750bcef0e9379ca. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/GBAYC0103206.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Vivaldi: Giustino, RV 717: Sinfonia, 2. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d56b883317a41226838ffcf02eb23564dd7e1f551a4f21ee4d5a20fb0455e9b. Chain 2 (Bitcoin): anchored in block 960099 (2026-07-29T11:30:20Z), 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/GBAYC0103176.
Vivaldi: Giustino, RV 717, Act 2 Scene 1: No. 15, Aria, "Sento in seno ch'in pioggia di lagrime" (Anastasio)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26251a7680fc669e7bd6ab816943eecb29d578c11d5e5083258ab079c24e3a4f. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/GBAYC0103207.
Vivaldi: Giustino, RV 717: Sinfonia, 3. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7ca6979a566dbfd2d1ed039e8d2727beb7abf8f01483418cb82be9026c8c5c8. Chain 2 (Bitcoin): anchored in block 960285 (2026-07-30T17:26:40Z), 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/GBAYC0103177.
Vivaldi: Giustino, RV 717, Act 2 Scene 2: No. 16, Arioso, "Numi, che il ciel reggete … Per me dunque" (Arianna, Echos) - Recitativo, "Quali strida funeste … Traveggo, o pur la mente" (Giustin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bcec44a2c4403f4f3d0f9bf624778859cebacbfbc9ffe119ad2f786c4daae19. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/GBAYC0103208.
Vivaldi: Giustino, RV 717, Act 1 Scene 1: Recitativo, "Febo, che non mai stanco" (Arianna)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4a3d2ba5c43e3a0572ff0627adfcfbe5f979064345ee4ae3137f84335097573. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/GBAYC0103179.
Vivaldi: Giustino, RV 717, Act 2 Scene 3: No. 17, Duetto, "Mio bel tesoro, mia dolce speme" (Arianna, Anastasio)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e721e8885b89ae7e5a8a2e87a99ab0b31f3459cb28cb22bb93187718dd9a586. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/GBAYC0103209.
Vivaldi: Giustino, RV 717, Act 1 Scene 1: No. 1a, Aria, "Viva Augusto eterno impero" (Arianna, Chorus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa14806d9dcd55283066bc92a038d72729a714ea9980de2a0134192a52b930b0e. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/GBAYC0103180.
Vivaldi: Giustino, RV 717, Act 1 Scene 1: No. 1b, Aria, "Viva Arianna, e il suo bel core" (Anastasio, Chorus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8ef69c0f366c5631f9c412b8a59a3ce4b5b3ae71089cc9d20e944d86d0417e3. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/GBAYC0103182.
Vivaldi: Giustino, RV 717, Act 2 Scene 4: Recitativo, "Troppo fosti, o mio core" (Vitaliano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11db91acd39f8e8e6fb460dcf14cd919bf6d7b5e45a6c176d457ee28cc08db93. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/GBAYC0103212.
Vivaldi: Giustino, RV 717, Act 2 Scene 4: No. 19, Aria, "Quel torrente che s'innalza" (Vitaliano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe59b3073c5d124441c85ce79af29f4322c17481f405e718f679b343a386b8970. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/GBAYC0103213.
Vivaldi: Giustino, RV 717, Act 1 Scene 2: No. 2, Aria, "Un vostro sguardo" (Anastasio)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb92d965f26c4ae360f02100a89c480061ed699e94c7ed4a4f4e5adbf06165fd9. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/GBAYC0103184.
Vivaldi: Giustino, RV 717, Act 1 Scene 3: Recitativo, "Arianna, che pensi?" (Arianna)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b4f1c23ae6f47893eb3b71572a34b35568271bf801bf195d78c87819175b6a1. Chain 2 (Bitcoin): anchored in block 960314 (2026-07-30T21:00:46Z), 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/GBAYC0103185.
Vivaldi: Giustino, RV 717, Act 2 Scene 5: No. 20, Aria, "Senti l'aura che leggiera" (Leocasta)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3a3ca5eea1bdf9a5b04d96b687696732a4f244fc51aa7411a8abc1f43c06873. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/GBAYC0103215.
Vivaldi: Giustino, RV 717, Act 1 Scene 3: No. 3, Aria, "Sole degl'occhi miei" (Arianna)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0b464991f35fd9c3a2997cd1fb45d155c3b1e773c2f8609139e9c274ed86e98. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/GBAYC0103186.
Vivaldi: Giustino, RV 717, Act 1 Scene 4: No. 4, Aria, "Bel riposo de' mortali" (Giustino)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd95c7ae06e711cd56141e5e34f96806bb436e24c2323a919538d7d18e03863e5. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/GBAYC0103188.
Vivaldi: Giustino, RV 717, Act 1 Scene 5: No. 6a, Recitativo accompagnato, "Giustin, lascia i riposi" (Fortuna)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcc54b4387de3eb73ace3186d8ee2bf047574d36f5c2ea5cba3e4bf8c090a7fa. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/GBAYC0103190.
Vivaldi: Giustino, RV 717, Act 1 Scene 5: No. 6b, Aria, "Della tua sorte" (Fortuna)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe27e64466e8f907910ad8dab5c09c3e6b863d25b6f822f084e71fca1759fb8c3. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/GBAYC0103191.
Vivaldi: Giustino, RV 717, Act 1 Scene 6: No. 7, Aria, "Nacque al bosco" (Leocasta)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d89722b6677572efd33675b2449edcaf189fc0951b5a08a25561ea61903f3c8. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/GBAYC0103193.
Vivaldi: Giustino, RV 717, Act 2 Scene 8: No. 25, Aria, "Se all'amor, ch'io porto al trono" (Anastasio)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32e8a0be92262af360f8271a4cfff71fd46e55c8b6238477c34922d31ba90b30. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), 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/GBAYC0103224.
Vivaldi: Giustino, RV 717, Act 1 Scene 7: No. 8, Aria, "La gloria del mio sangue" (Amanzio)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69a9855d0bd6e44d6a978c8afaafd20b1d95e0250058500d5812ecddb85b46da. Chain 2 (Bitcoin): anchored in block 960305 (2026-07-30T20:14:59Z), 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/GBAYC0103195.
Vivaldi: Giustino, RV 717, Act 1 Scene 7: No. 9, Aria, "Vedrò con mio diletto" (Anastasio)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f482496c3b6b06ce36e067184ced29e1e3d669d2ca1d681ab129dc638977a52. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/GBAYC0103197.
Vivaldi: Giustino, RV 717, Act 1 Scene 9: No. 11, Aria, "All'armi, o guerrieri!" (Vitaliano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe88c459b17fa431722141e50ff67ca0f006368bc390d70b53ac1c1f4c19dbf31. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/GBAYC0103200.
Vivaldi: Giustino, RV 717, Act 1 Scene 9: Recitativo, "Amor! Cieli!" - No. 12, Recitativo accompagnato, "Su via, tiranno, adempi" (Vitaliano, Arianna)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dca8c19cf160310d30add47675529b5d665abe7d5d284485cf83b38ffe1f496. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/GBAYC0103201.
Vivaldi: Giustino, RV 717, Act 1 Scene 9: Recitativo, "Olà, costei si esponga" (Vitaliano, Arianna)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x477490a1bc2b1c854a2832e790b11dfccb87f96a860376564782b55ec801aa43. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/GBAYC0103203.
Stabat Mater, P. 77: I. Stabat Mater dolorosa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb720a78101cbe2057b063025b87e9a5a83734240bc0641fc045704dc9e2caaf5. 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/ITV701820001.