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 0x6af4ef3f5e554e6e968ede534527dac125e6600b5f5aa8bc47735fdcea3793cc. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/04776b87-525d-4c44-9a99-8087e1c09215.json and https://artists.proofprofile.net/proofs/artist/04776b87-525d-4c44-9a99-8087e1c09215.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d267f7e91b2988ecfb3ea8536d0a2033ad4651555014887616551f03a1900fe. 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/QZES91912367.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x830c86e6d0852ab360ea98e843f03d9899c178dcd3dbff4f99f44e5a605c2ec7. 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/QZES91913270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef3a348a22a0a5f973e0970620b2edc158d5c0c14105fcaf37ca9771b43e242f. 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/QZFYW1943066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2019a61f61f2a6770f78cead91e07b7e3eea3d4de4d0cee8329dee4857a5dae3. 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/QZFYW1943485.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5deba9e382922d81d4d40b3bb0ac75d5e5ad87225796b34f12fc5675eaa53dd. 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/QZFYZ1920561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88cd9e0306bcc44e642c01a29df5b73060b9f3a2efdc6d3924548b8ff07986d1. 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/QZFYZ1922189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a4553e6ba968f01f55dd90e948141e87707d85854d438d07b966ccaead31e1a. 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/QZFYZ1925033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd77e52b30361809f2b8b6817ea821ecaa397bc047bdcf4cbd4d0abe92cbbe519. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZFZ21924695.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7e97ed4dd88b7f0f23babc8ce7c798e1930a392e3028ac4df88d9d7fadaff37. Chain 2 (Bitcoin): anchored in block 960153 (2026-07-29T21:57:12Z), 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/QZFYZ1922185.
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x715127d82768aa9d5457787a2c2d0ef77503808522d5b0e6e60ebade7a2ed3af. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/QZFYZ1922197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb07514a79d80808d850534bc16777b834678487b5c85a8c8770d52e31db2cefd. 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/QZFZ21923751.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x356cbd88ea4392d9e15d9536e84906bab7931453ba1a535e9efff8a266d38d5d. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/QZFZ21924693.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f53599ed7559f4ef91835c40cc8d80bf14ed023b808534bec1d73af4301c7b7. 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/QZDA41835973.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57774c06b622715c034964ff7c37a12a350f3a39cc297966c5ce7311a5564975. 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/QZDA41835979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb629b1225044664a24265769bcde56a31d010888967bc1484be849b71be90c39. 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/QZBRF1801854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4024b040894b945c5ed3fb9e7914450e331625612eaa612ba72ae3a166344f42. 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/QZBRF1801856.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32b134086b3e934a6900b7862adaa6290a31b701a1e01ecb65d20673844beb8c. 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/QZBRF1801858.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38ced14990e5cb7f47f5f2af6c5fd19f05fff08e14ce3ebb66223374da35c09a. 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/QZBRF1801863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1503a66ee7aae7f56d00984403e909554058532260ca7d10534f056e7814f4f. 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/QZBRF1801864.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11717d1dbd6491b5a77c7d2ad5932dddc68de5d62902a900fc6edf059fd70317. 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/QMPKX1789418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5d7031b1f48300e2a1547ad0348b79ff31a25adc78b86d64615b718d36a878b. 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/QMPKX1789419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cf29d73dec4a361385abd3b0945ecde2f52a3c9154df8bdf88c352c43afd2fa. 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/QMPKX1789426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa28548c13c528024192a1aee0408048240dcdb4ebbee521fff0f5950c269ca64. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/QMPKX1766867.
Piano Paradise - Bach, Beethoven, Brahms, Chopin, Debussy, Pachebel, Satie, Williams
1ere Gymnopedie in D-Major: Lent Et Douloureux
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1483403f3a6638d42e0c9f18f7c4e6029dfd1e9e86090c92aff893ce044bee5. 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/QMPKX1419868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb84e09c76f732064fd96b348305afe22b62f4a6e16d0c9f3ddc4aeea86998ef1. 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/QMPKX1419869.
For Elise Bagatelle No.25 in a-Minor: Poco Moto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef349294cae010de6b4f9e415dc1d0c103611e2a9673719959fa93105a454d42. 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/QMPKX1419870.
Prelude No.16 the Well Tempered Clavier in G-Minor, Bmv861
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa25f8a2b0614ee76dbf61c0159099974c075474c4f99af8a47ad9cf926345746. 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/QMPKX1419873.
3eme Gymnopedie in a-Minor: Lent Et Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1c7e8d815f09783a506030565a869a5f7f2933ac6df13ed5e529c7c50a7467c. 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/QMPKX1419874.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd7436cafe09432ad9902a5decc3108a3b884d230bb4ecd96b1e20a150e670e8. 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/QMPKX1419877.
Kinderszenen No.7 Traumerei in C-Major, Op.15
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3ee81b5fc19d81ded4b15743387463554833f3dcff7136bea03ea509b6bec66. 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/QMPKX1419878.
Wiegenlied No.4 Lullaby in E-Flat Major, Op.49
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62e050701cb65a93a4607d60c6a1204fa289a684f8e75444b81d47eb57830e95. 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/QMPKX1419879.
Piano Sonata No.14 Moonlight Sonata in C-Sharp Minor, Op.27: 1st Movement Adagio Sostenuto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f32abd855a040d85f5bbdb577fd4dec9a33b5301253df32ce1bc57655490c25. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/QMPKX1419864.
Claire De Lune in D-Flat Major: Andante Tres Expressif
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c8b4ccd85bf10924a4305b9875c924d3379e6a0357769541e60ea52eb728bf4. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/QMPKX1419865.
Prelude No.1 the Well Tempered Clavier in C-Major, Bmv846
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa38351981d4ca6b97931e91df37196f453e2a58512c7163527fc83a5f858ff95. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/QMPKX1419866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd622a0e405a42a86376baea5e52665e0927142528feefff5af00583b3b87d0d. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/QMPKX1419867.
Piano Sonata No.8 Pathetique in a-Flat Major, Op.13: 2nd Movement Adagio Cantabile
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19b42783e9d75f5707453104e49b59f5d14bf4839146950bd6ff1bf197d66d11. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/QMPKX1419872.
1ere Arabesque in E-Sharp Major: Andantino Con Moto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70567532f28c5af252635e08757ee2e6a1a45d39e65cfbf3452d03e9ad7cf41c. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/QMPKX1419875.
Beethoven - Moonlight Sonata 1st Movement
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6370308d2fc1ddbe090796510cdafe979c99f7cd9b1775f99eb93c6046a54466. 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/QMPKX1331633.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75afee54ecb31ca4d16610165cb16dfbb151e30f549ccf02f8beccbcc5a1663e. 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/QMPKX1331634.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa385dd7dc312b436c4e9f1049092ab4e74329d0c5a97a8c250aded3c2fb3e33c. 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/QMPKX1331635.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07f818a69addbe47a2a3fc77ecb201bc93e2c853f429fa0d8a2af8a3586680b5. 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/QMPKX1331636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x973b5852a601871af12218fbbc6eb79345ad5d241227169555980e4b5da52432. 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/QMPKX1331637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13040fc9ccc6a187163fb178bb7f9781d2e8aef01fea8b2fe5186005439f6f0d. 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/QMPKX1331638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0b0e5f5775c833a269f71ede555baf282ac0de37ee35d6ced52771b44100387. 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/QMPKX1331639.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b5f2c6d76989efa42c3018866e456ad9f754245f04847183ac66cfcfa6aafa8. 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/QMPKX1331640.
Beethoven - Pathetique Sonata Op.13 Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f63d897f398a0c3065fe36ab30c9ec227c4e6ed723029add57833d58966481f. 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/QMPKX1331641.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e8862b19dd894264e3f7273726402740e92d9bdb26ba6191c5693a0f23870fc. 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/QMPKX1331642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe57d7d5b241ce3079a1e07b1803cc9e7db87d30c1c1dee76a5f6b90fd7a20e71. 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/QMPKX1331643.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7874f825974b0b60d7944c6f6a2f76cb27fad615fceea2a8c8c92f6177acff57. 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/QMPKX1331644.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0535122b30b2748c12a316e61409ca13de3aaf16568bd7248db8bf8c9eb16c61. 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/QMPKX1331645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x895a3afe092f04b16f66a18c846a354331ed075bb3f3336674e39f5e1faa8fe9. 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/QMPKX1331646.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6526f8001d30c555beb965986a76a7a3f5e821db098cd15dd1961c181026dae7. 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/QMPKX1331647.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7ad5283d3b220f28b6c89fcdc3536c05a1a6504149b34ab86b4a83ffd06a809. 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/QMPKX1331648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3e909a57ec824cda21437f6f3f3daa0787696f466e667f2b8a24c33eac0aaac. 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/QZK6Q2488189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82a6e512662cd6c4dcd52138f7e72d8024c9542db1d5c72ea63745b177e89a7f. 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/QZHN52431750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b47e8f8cdf93fd39ae43dfd3dd45650dd5dbc79c3b6a5e988946f700965c426. 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/QZTBB2368639.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed1a8e112252f902d78d5c38076a4aeb8bb928be5fff31036f87b32d2a108211. 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/QZMEP2348405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6db150499356007a6c5651fb6b9c7eabfc6a546a39610d8821589d38ee3e9167. 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/QZK6F2308273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccca1394fc525fc71559b37e1f3fa0b3bb5b74bb80ccc4c57a8c420f176906fe. 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/QZHN52347107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x376ab817f7c56d7d9b672011dec82291294e9d523261ad0768284869e148319f. 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/QZES82387347.