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 0x3fb73ff86ec1c1cc50081b0e7d6e6ba5210818eb81993aa01748e191f1adec90. 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/35e759c6-cc7f-46d3-81c0-a5b51ff9d973.json and https://artists.proofprofile.net/proofs/artist/35e759c6-cc7f-46d3-81c0-a5b51ff9d973.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 0x43ff4e302965096a858dde64526a9f1d96b3b57afd2b4b8b4985cfea29f25524. 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/US83Z2022192.
I Sea (Inspired by ‘The Outlaw Ocean’ a book by Ian Urbina)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71dcf0176592a0ded2694f5f3473a98770eabbdb4277624e894a2b7da5af40ce. 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/QZQAY2193652.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17d17c2406f2d7645f5f7ea5c032826365d7249c30c534ebcf08c418e51ab478. 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/QZQAY2106388.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff1e19c3c8c113e8685adb8f94a7272d85f21f2d8c9f9e5dfa362219b6ed64db. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZQAY2175566.
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 0x4cd49b6219367d89bcdb6a88358abd85a16ed703114366ffca16521dbf0ed59e. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZQAY2136688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bd9ef1a6a9b5e542b36d6e7045369aea809f3f5d4a5041c64156e685d36aaad. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZQAY2104395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49ef07493ef45fa31721a17cdb544bf45625cf744739df5215f7bd3724037663. 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/QZZ7N2505076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49862935c97b534e4acb1a3d30ee9d1004707b0a91df6f03cdb52e695d18395e. 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/QMBZ92528896.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5445d225f0abd33ec81466ca97d699126e4094210d826dafaab45774cfe5495d. 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/GBKQU2539754.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4138aaae8ddafbacaaacd64b1546edea31cdf0f43e59ba5e922a5e0ea6a3ba2c. 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/GBKQU2539755.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x830b0e88082469c2d8995d3bd21fe2fb4500ea1a902932636db6587a3a2a5681. 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/GBKQU2539756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07bdea466727217c8822370a590e404153ef93d8b791ec820eebd44659894fd2. 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/QMFME2475206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4607cac2d6eb91636de3fa2173ee13070ed583bfcb9035c46da492a9e17c9d86. 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/GBKQU2527615.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x984b981183dbf0d9bb54c2d8cdaa66ff2db692b94bebc6b3c1b4798548a4c94d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/GBKQU2465751.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb899466d04f5ed1560de2beb8b69561ee2d3628c204c6c8b14b418ad7f0808ff. 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/GBKQU2426509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaa2a24923e23882dd21f6e6a26df98e8b8f92e399e6bb08498c413ad8211447. 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/GBKQU2414002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4953945e9091bb718d4c6bb7f7a4af1356a38a8d0e319dcae854d0ea12ab4343. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/GBKQU2414003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a4adf161d935ad1e396a7d6aa5602e55f65bc690d6c5bd7ede50b7ba0db2518. 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/GBKQU2402912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6910127fa184995e857a28722093a08d59636393c4c85b29d37159d17c1864d5. 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/GBKQU2385285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fff6abe32d62a35cc90dd5b17f07160e1f4ec029b409060ac6e2835ed508e88. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU2385286.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc9771c1faf0907bf24b532397efd681ac2dd28c185abe2c37f6986244fe8adc. 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/US83Z2239605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a7705e7b054e61430755e0f700dcc129e42feb1102ebdc4acacf300423469c8. 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/US83Z2218186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x170ca5e578aef214cd5ddd9ec1b98707c76a671e92df4b87070c24fe92edac5a. 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/US83Z2218187.
Talla Talline Manine (Joep Mencke Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ea39a3d7772e659475bdd6955744fce20af3b7f82b88211e5cc958ef2a6123a. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEY471980680.
Asiri - Nick Warren & Nicolas Rada Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e69f829e0f77a391e1266e9d8b0add3b16337b8b959622157bf04b0411cd3d4. 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/DEY471980681.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ac8f015ecb88147e105b96e1c3793d429ba015a776277f49e8bdde4f1477800. 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/GBKQU1748200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb88f56b81ceab21bd1025f3706d182e7295a5199de65be8b850f396af40f38d. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU1748201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b5deb016549fb924b2c06e3942c0a691e4368f781dc5915c5828c5820dc1e10. 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/DEU672101797.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d23129577d022a001ec84342cf2016245d6a513077a8aca5e5e7d9c6549b15c. 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/DEPI81802208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1795c13ab52ae16807de6698006518ef894c0397b0e8cf277c51cbbff0f8038c. 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/DEPI81905406.
Children of the Future - Maga & Friends Compilation, Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99ae97e0a5545e7ed554acafc5bbc7ac5eda345fa9b0acb343dbc329fccb43f9. 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/US83Z2023188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd1ef1dd6da1344869091584f5365ea1791d4fd90559fda856364275b74e1b4d. 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/AUXN21721614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc924c641d2b1f712e7288b87d63761f1c627c80e2ca5c29c1c4b4c23941e0620. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US83Z1914986.