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 0x113f56c903bc20a667ce4c1a8bef4df3ecde720925040b32527f135ca01498fe. 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/6f86d812-d907-4ca5-9d11-398962b19714.json and https://artists.proofprofile.net/proofs/artist/6f86d812-d907-4ca5-9d11-398962b19714.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mozart: Nozze Di Figaro (Le) (The Marriage of Figaro)
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 0x6b9247635577149f79a7dd193c2fc5cb77b28f2218534d3d076c6ed2b160d167. 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/HKI190348101.
Le nozze di Figaro, K. 492: Act I No. 1: Duettino - Cinque...dieci...venti...trenta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41cf664be14cf932846673d3da0640759afe53a787b718c8f85828cccff02c3c. 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/HKI190348102.
Le nozze di Figaro, K. 492: Act I No. 6: Aria - Non so piu cosa son faccio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36f3b52b857f00e2c270b381b7ba2ecd87b744cc89a917205d6b2a73aea3803e. 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/HKI190348112.
Le nozze di Figaro, K. 492: Act I No. 10: Aria - Non piu andrai, farfallone amoroso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31bd9a92eecd30dc32a0c2a9f4ec88d7fe97feb2f8865ded3b2953c4035d13e3. 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/HKI190348120.
Le nozze di Figaro, K. 492: Act II No. 12: Arietta - Voi, che sapete
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59712e785fec515d858b52a07ef488387e19de89374e1aaa9ecc687e631151d7. 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/HKI190348124.
Il matrimonio segreto, Act I: Sinfonia (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb477d983f09ddfe79df31a74c596d5749a8d730cf43e5457988a1db6d75d24f. 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/DEB201629501.
Il matrimonio segreto, Act I: Cara, non dubitar (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e349e8052fcecb14b9ceb335d7be7e6055a4cb70411dc821a9246c9af9abab3. 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/DEB201629502.
Le nozze di Figaro, K. 492, Act I: Overture
Manon Lescaut, Act I: Donna non vidi mai simile a questa!
Belgian Radio and Television Philharmonic Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ab5213d6a14a180866aee7ad3aeb1fa45b9274c357a2cb301f3fdebbc8a7bcd. 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/HKI199290107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02d563709318ec90680026dd48ec4e3ab816d290066c4d4aff352fba8c1c1f14. 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/HKI190301808.
Le nozze di Figaro, K. 492, Act I: Aria: Non piu andrai, farfallone amoroso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31bd9a92eecd30dc32a0c2a9f4ec88d7fe97feb2f8865ded3b2953c4035d13e3. 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/HKI190348120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc910e47fb31b3fd2fd5f9fcb401bc07461314c13406b10a6fc5d460f81bfc252. 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/HKI190159310.
Carmen: Carmen, Act II: Toreador Song: Votre toast, je peux vous le rendre
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8883b1a6d19fb9880e337a5cf3cd641bfb1e3d798039f554e3e0e6905c9b83a. 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/HKI199220606.
Die Zauberflote (The Magic Flute), K. 620, Act II: Der Holle Rache kocht in meinem Herzen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ca1f93242ab74332c23515d22d541842226c49c73cefbb40ab13710d92e888b. 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/HKI199490208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56bf3b30fdfc0431b081fb35d8a0ec17481a24fa729bfc43b3b3f1838d9ae917. 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/HKI190316406.
Madama Butterfly, Act II: Humming Chorus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b71b6ec6e797b1206620e6ac1341eadf329256192619da73e4306d7e53040d0. 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/HKI199287411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4cda9532a65dad285bc7a9fbfc66a7efd51afad7afc59ea1197fda3b5fe2c02. 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/HKI199092209.
La Wally, Act I: Ebben? Ne andro lontana
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x769e720285311ad46195857586275f62c60484b3cfc3a30c76166077fc1878d8. 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/HKI199310904.
Great Composers in Words & Music: Wolfgang Amadeus Mozart
Serenade No. 13 in G Major, K. 525, "Eine kleine Nachtmusik": I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e0b8dd2412ec5f0bc1bba92992f1b5fc854f65dffc659558920f89e432cb2c5. 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/USB8U1601061.
Symphony No. 25 in G Minor, K. 183: I. Allegro con brio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b4507ee74ec40c8f327b6f41767c8442442816f44fe80463dfcf4b3777dd285. 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/USB8U1601067.
Serenade No. 10 in B-Flat Major, K. 361, "Gran Partita": IV. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb48ec46e9c076268ead30b0055dfc1a811cdad1c6e9d68325250754f1b2ec694. 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/USB8U1601070.
Serenade No. 6 in D Major, K. 239, "Serenata Notturna": I. Marcia: Maestoso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7f58ca7e41b5c660474072ad9fee4de88e25225aa12633562fbf2cbfc9072aa. 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/USB8U1601075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91d0686c230d7a108830ff917d80edcb125c25aaed63858679e71bb3606c02b1. 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/USB8U1601099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9e7d1732dc8c8c6401f0a34457526214654a8f1a01b18bec27f3d164366ad6b. 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/USB8U1601108.
A Guided Tour of the Classical Era, Vol. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c4370a4dd252f2ae413bd9a90d20acbace94c80de06138b520e63bc751f4e30. 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/FR8Z02000076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x338b4133fdbcefad70c32221e923ab776826d91bc3b684384a8f2ec6bf59d7f3. 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/FR8Z02000080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0971b0f5d217cb9b6607fe644df14830aefeeaa1fd5eb7be4036722f2bad1c9. 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/FR8Z02000081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe17a091997ef060c5a1423889157e50cffc1ffd2af7bd9caf2374d7b1697b6d7. 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/FR8Z02000082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0db166f92375e5c3c8c62b0fcfd1588b4ea3c06ba822f4e6ebf438b2ebaef39b. 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/FR8Z02000083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0173781964e93a238a65e7e31ccc0a28cb6e228ae63ac051c2f81385385da6db. 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/FR8Z02000086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02f8ca181e6d2d0ec994d128306c4ede96b0fd04fe592ebfc20831c01d9b2769. 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/FR8Z02000087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc2cbb0fddb6cb834d50cb1adc4ef98d1eda8a1eca34dffab312982c3a2b0598. 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/FR8Z02000088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae83b7ee78fa28a0cd89c158fb4054a5c3e23fe459b10d23542907ff96d35a95. 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/FR8Z02000089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb824fe09312123d7a7431954a4a00dfdce7db4f374e1190d5ca5da3b1e6fc459. 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/FR8Z02000091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x826337fdf1b4c8d4b0c13b8214c859e37745d7207e26aa22527f5f54941dd464. 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/FR8Z02000093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3ab270e1e2bf323af60d6d988717416448eafc77664790e3f56ba9735a2e51f. 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/FR8Z02000094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x525ef7e2425457d5a372f5ad0927352ea9c2d530e1b566815b98e9f7b256b485. 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/FR8Z02000095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83ba07ddc5780ad3f474d277219be3493426b5ea75ec417c2823388e10471b7b. 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/FR8Z02000097.
Messe solennelle en Ut Majeur, dite messe du couronnement
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47e630965d27b488133cea80e8bd1a1191fdc0a503e2b61032e064c96486b6d6. 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/FR8Z02000102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99bfa80fdc8b52b49dfbf77dee2cce778cbd8cfccb7b44c3978f82a44a7043ea. 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/FR8Z02000104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x021bc256f1cbbffde3f5bf85f415257c3d85a14629270db137c6daf0921e563b. 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/FR8Z02000108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f86e3ff1a8759d95928f8261e7ac9d45c5f8163e808c9ac01b8d980c13d32b3. 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/FR8Z02000110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb25c0982d4564cd02c81c6e77eda8dc78a6b57e883db2eb42d775e3c05d61d7a. 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/FR8Z02000113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x091313759719183ba0c131612890008a51f64e849deffab0f296ad0a4f41924d. 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/FR8Z02000117.
La flûte enchantée, air de la reine de la Nuit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23005fa999f36b4a89ac6da7124172ab61573dc17485acbb15fb6f52670ff79c. 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/FR8Z02000123.
Booming Bass and Baritone: Best Loved Opera Arias
Sherlock Holmes: A Game of Shadows (Original Motion Picture Soundtrack) [Deluxe Version]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a4c7e646cb476babb655fb48084cd7cef25b3c5518679acf4fcaf43bd398961. 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/USNLR1100748.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf08616340c3a55187fbff27ceea83235df728afd2497b74e1fa993220bcc9e6e. 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/USNLR1100749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x339c8343a79bf2c1697c759dda27be162980c0a1337b618d714acfbd45c59f40. 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/USNLR1100750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcbc1fe2479a6fa37a4c139885d090fb7a46f746e3fa1473fbb7010bcd07659e. 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/USNLR1100751.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa78f90adcd854304b7a4f000f3dda4aa3b79b42d5a5063e2ce2eb26aa7ab014f. 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/USNLR1100752.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7b7010cecd9cfd46233d7486c295dc416085891657e7a463691f755fa742e80. 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/USNLR1100753.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94a34674b78bb61203b59067616e33afcf0b2b8bafb3825b3175b94fb660161b. 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/USNLR1100754.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73b35ea1802247122012d0f12e0f0fd32b65d43774ea66ce254ca2ac4e8b0ff8. 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/USNLR1100755.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68f0c72f0f404384280682dbe45f880a7fabffbd9d550523dd1b45858fe6bc40. 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/USNLR1100756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf882a41e589d87b876ddb2af1303dfc260d8f50c44c1bc42fb4c8796e2f7eb83. 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/USNLR1100757.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d23333068b1f5b1d4de49ea27e2628b4cff52fc55ce8deca507f90509b337b2. 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/GBQRF1113076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1141f0dee8397dd234392a9021f226903b8e1dd4beda5eb9d08589afbb791274. 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/GBAYC9600210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeccaa934d3738db6ce9c7714f0b5b2b56364a92a610fbabfbff06ba04d12dbf5. 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/USNLR1100759.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e71699e81d04143d1d0c362a657692da899d449e0a168ef372cc25e585e9f9c. 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/USNLR1100760.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x138161857a90e1d54f781870e356d1cb49d4b53d252fb5b5cb9f190f480f6502. 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/USNLR1100761.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa244c42b96195f575c966088e869e072ba713654d20b781ec652c991c6bf7324. 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/USNLR1100762.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b79081fec29a04668acfdb26a2cd0ca27b9a0d55aee476b2079acc9942b9051. 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/USNLR1100763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71a1111438a9f57a1e7afc9dfc25a87284c9e82df2169dae06b5d4f884ae266e. 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/USNLR1100764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e27dbddeb8d52500d7c630c897f54c385f1f8a271c35fdb16d1afa0b05c936e. 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/USNLR1100765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75be2df330502601eb2ecfe10fb49b3f3cf0b33334432eff01a7d8fc38f909ee. 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/USNLR1100766.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93ce6b45193bca8028a0106d9f94ed6e908a01454b3409f00923d87404f1706b. 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/USNLR1100767.
Starke Stücke. Wolfgang Amadeus Mozart. Don Giovanni