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 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 0x87e791da1bd3706b3c6176c6eb89c7b291481974219f7abc68459dbc191b39ad. 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/0ee323bb-5af0-41c5-8a93-afacfbbc30a4.json and https://artists.proofprofile.net/proofs/artist/0ee323bb-5af0-41c5-8a93-afacfbbc30a4.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 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 0x3e4f520a7cbe15978fc2e41a39e539a744453c048d31f58512d74b35566089cc. 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/QZ79W2000045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x633ac219e7044c12dffad42e91b10fd833f1171ce6ef187ed6108fe3b8639154. 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/QZ79W2000046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd62a94b2f2ba6d940f67667e4ce91a8f5671742cd1d6be16d82f3f30a2e8fee1. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ79W2000053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3b512b759920b7071a6876b048f2b353de217f2bb27b9a6bf78c53c7cf87cad. 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/QZ79W2000054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa541a8dbe13ce6d5e2dbbc1bf0a34865f616f06949f62070e527e449fec7ed36. 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/USLZJ2061568.
Forgive Me (feat. Mandy Groves) (Shylow Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4e81a443c9b8cc17bc2abc7c25ce089d4c95fd958440818191da80abfa9accc. 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/CAF5R2000097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08d024fdc714e039e499694174425fe0a9e1f0704aa8cbfe9a0574ee799fb99f. 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/QZZEB2378185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc5efa27c21affce09a25193acd6efba8d4d7ccfaec3a39eb36a77279d6658d0. 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/QZZEB2378189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eed3219142f62c92bb6462292cf495b3dff2ddbc35bb281777c30118e7eac45. 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/QZZEB2378197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9c7463f9078edc31c31e1588f29a348b05fe86bef0a0ad1ee25b517133d1e3a. 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/QZZEB2378200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3937606ee8d33870774a72af54bafb87fda9cba3abd1fb8a8ff5f6fef1da81af. 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/QZZEB2378201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x702a723c753ec8fe75e917c68a84e528d8920cd786c4be088ed9f4bcfc8ebef0. 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/QZTV32520063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x241435835b5ca401a9a5b2179484a44e59eb9a39ceb7db8d625ab6594a75afbd. 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/QZ5FN2528970.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4232ccbc634a5ac9d68e07a0766f87ddf027210eefb695b9bca5ee0344a4ce6b. Chain 2 (Bitcoin): anchored in block 959147 (2026-07-22T15:43:44Z), 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/TCAIZ2441885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0aa5a62df3700e32a37b0f0f7a2f7a008fe15aea30eeebbe342bb0d329faf152. 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/QZTRX2395631.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cc1ef4fafb6d1ae384394dc4450fcd32e1beda56250b08865bec9bdc64e0105. 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/TCAGO2287401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05466ff5ec33eac82c8200dd6a126d7b360376a46235e006f4b59fbd798a05b7. 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/USLZJ2216283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c9494fedf10745c9ff9d72e7ec9832e7e71bb8a4cbf8b7c099ebcbde89ac77f. 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/GBWUL2127775.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6a19439a4bf24029881b36b453e3c3db07f5dc67045a9b798260ce3ffad857d. 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/GBWUL2071686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8af5af4f3e1df793964fbe77dca1697926a2da12a69740ecb814fca6184d766. 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/QZ8LD1780881.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4b379b355bd8352c69baba1bb565bc8833276b18241829c689ed0eb7f526bfd. 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/QZCE61893588.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cc3914044cf9f8137a59f0957422798bf4fa55681c99e8ac10c57e0218636e9. 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/QZHN52017811.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d10f7e3a9fd0bced158e2815f1fec0d5d7c1aa30e6ae9e6be7ac6eb67b6dd77. 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/QZFYX2164851.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62289b68315903ac7ccc49fc1bb855ec6b36a15777e0dfe912747b743075e448. 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/QZANL1750350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc12bb3e4b6085891e686d741e081c21e8f3b1cfe676db04aae252c5f4390a3dc. 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/QM4DW1864388.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f70022a1f6419ee09edb70f068629b4bc00d2bdea5413a41774681c4582c6d4. 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/QZ4JJ1635977.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff94022e2feec0a619117b68af50bebad10611381504e7255e1c62eb7924e4d0. 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/QZMEM2136720.