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 0xe2eabd85dec09312f54e1433bae7be0ec971863d815e1934abd289847b4cb08c. 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/6ec6887d-fcaf-41bc-bbc6-0a64b1e3075c.json and https://artists.proofprofile.net/proofs/artist/6ec6887d-fcaf-41bc-bbc6-0a64b1e3075c.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 0x70c4cc63b1a9a3ef490827c0b149b30a671c9ee5c187f36d8f3f1cf9d055b199. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/USRE49600005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64d4f506a675af1077d8be3d4e3639771ff391c68ffaf96b7bbd0e6c6d93ed50. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T16:19:20Z), 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/USRE49600006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ca323e35bd8e5de972173a087953a151b32cab38a3a410935e62369cb64e087. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USRE49600007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe35aadd5ba027ac100a6149d2764e43de64809b4b87cff000a95e858d4973cda. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/USRE49600003.
It's The Pee '97 (feat. Prodigy) - Street Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x559d86cfa28db92c3450036818e758386b1babb02f1ca29e5875a18ae3d55c93. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/USSM12209700.
Bu$ine$$ Is Bu$ine$$ (EPMD Presents Parish "PMD" Smith)
The Awakening (EPMD Presents Parish "PMD" Smith)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4f8dd9a43884245e57c9569c9a7017d81e64fdee75a31fe2276ada1bcc14777. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USZEG1200903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8108d33543feb0aca2477b2ec04a597d47535815d91f6b51bc4725b6a3f5a374. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/USZEG1200876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26d4a3b76c991c84a2240fef4aa22690571ef0666fb42b0e2b17ff7e2d92a929. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USZEG1200880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4167cb4529edcee00188efd295a5400b8f89e4668c8701315b00f97d5cb20cd8. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/USZEG1200883.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89a6bb4a6397c7fd2e1b7dfb9077c268b41c3e842701d15cbded166cd4bbf4f3. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/USZEG1200884.
Shade Business / Bu$ine$$ Is Bu$ine$$ / The Awakening (EPMD Presents Parish "PMD" Smith)
Shade Business / Business Is Business / The Awakening
Welcome to the Goondox (EPMD’s Parish PMD Smith and Goon Musick Present;Deluxe Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x361fd2a0b4f355466645f37396aaa0050e2dd168d6193c05069c5bb9aadac855. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/QMRSZ1802398.
Raps of the Titans (feat. Bundy, Impakt, Jaysaun, Jus Allah, Klee Magor, Meth Mouth, Odoub, Psych Ward, Swollen Members & Virtuoso)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2054c8173ea6b650421d5918aa09344ef51fc0c135e18bae7d92a87e86910a11. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/USZEG1200942.
New Business EP (EPMD Presents Parish "PMD" Smith)
Business Mentality (EPMD Presents Parish "PMD" Smith)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b26c1e32f5b4953eaa229b90fa748c68c33b82e03daf4111b83d2267b743d7c. 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/CA5KR2172481.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6aef3d8f1a7eeaafe7e7565895e05318589b9baa3bd80ec07bd09cfad5cec842. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/NL8RL2512122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54d98132d6bb57574a748b40b09dc24cc9b8566c59b2016f8dc2f8244bc32351. 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/USSM19803022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d6b7578714af7d9d3f4c91640e1774d037d17750ddea8ec93094ffb91b44b52. 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/USEW19794625.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd963c9ebe4c00f030f4b742ea8e9874cc543b2612c8a7c840e9d96bcd10e1376. 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/USEE10181447.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0c0b1217b4316c12d174fab2f24f85cbd47c0722befa6ba1650a4570d65478c. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DELJ81913828.
Reel Wolf: The Underworld - Goon Musick Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08f8e65c744076a7dd693771a955c20a9ecb7e110a6392b9a0e4de5114698ec6. 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/DELJ81350927.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9b8de198db85e8cff5c13480248c81dc7521210bf59df8fb08bbbdceb44b631. 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/PLC062010821.
The Mix Tape - Volume II 60 Minutes of Funk (Explicit)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8ae5f998462a92dbed218eaec6ed594e0ef5c24f8ddcee7801d483583fb0ff7. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/USLR59900407.
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 0xa40da111a57315e3753ded51871ba5a12ad9e6b05942fc5df53bce323541e947. 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/CA5KR1957518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad2fc0ad39726633ab1411223730cc81e33a5d3fd5d17669f46f40170b15e110. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/CA5KR1963408.
The Message (feat. PMD of EPMD, Fynt, Akhenaton & Lil Dap from Group Home) [Cuts by Chich 33]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28f49d6243a7606212ba27914547316c7c773123a08e3403375f040716de9cc0. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/FRPI32200136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x477de9739be6d41bda7bad127dd87b28424381c356d2cc153c74f5afac6ab195. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/US6881000614.
AmaVampire (feat. Mr JazziQ, Tserai J, PMD, Boibizza, 2woshort & Soultribute)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa70decd6e8b0acc41a371fb35a4fdeb54bac3d7e9b84c89ac44aba9b14c63ed8. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/ZA34K2200799.