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 0xa4cc04024ed663bc9960894ef1e587f11a45225c369fe68f681f9f9ed341b46a. 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/9e6409a6-f5fe-4a5a-aa69-894e220d56fd.json and https://artists.proofprofile.net/proofs/artist/9e6409a6-f5fe-4a5a-aa69-894e220d56fd.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 0x2c8081389fbabff4535d03d1a2c7ac2834ffb0030b3072cfbb53dc07a7110dbc. Chain 2 (Bitcoin): anchored in block 959037 (2026-07-21T16:59:47Z), 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/GBBLK0800075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04e5f4b14178463ac770a8ee6cb08f6bcddcf8ac8669e7d3ce20702d236f17fd. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/GBBLK0800077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfff62c4ea5e5c9c4f3ea3125fcd0dec44434bbd27e5b5f98dc9bcb1490c8afe5. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/GBBLK0800078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0057466a47728d86662a7fb0114825702600c1d6252ae5d12fff429f3fa795d. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/GBBLK0800079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61d68d0cf3880d8de13f203a82ac9802f309de8ec94da7cb643d682813836cf7. Chain 2 (Bitcoin): anchored in block 958726 (2026-07-19T11:47:20Z), 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/GBBLK0800081.
The Sounds: Tony The Beat - Rex The Dog Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec3064238241f3256d5f922622caf8aa384f5d93e8f9771a1cf4c6755259fa03. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/GBBLK0800082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9be45748d2640b93b6840d8e0b44429960573b8ee46a7ddcab3daf9f2e917f5b. 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/GBBLK0800086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe6d25cd1feaa2b00d2ebdb7cf5811796a0a6b270823e52fe1101df1062963d1. 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/DEW410410035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3375657431d76ef42d73c65be441b5f6b32637a68840750c4c6bb54c846c948. 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/GBEFR1308355.
Do You Feel What I Feel (feat. Jamie McDermott)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64e35d4e7b2bd3941009eaf0777634576947c02c07c01b00fd62fe00c49cfafb. 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/DEU671500052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1efee1e420b897112b9c85be953e8d58640d1c236e3a49b74f154d5ff534235e. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:14:52Z), 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/DEU671500331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7986eb629065526d449445c2f7bfc3eab303fcdcb013525bc5897f3c9f8f4313. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/DEU671500332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe11c20bebe42930f1e6c4c27c66cb85c4464c4eab54fe604e57e17b687bc0219. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T01:44:33Z), 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/DEU671600159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf18621e243285f76bdca71ac83a24fe2e33b31a3eaa60ff23952367dceddb7da. 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/DEU671800057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdecd4e58b76947e767e7ba04a50b69dbdd7cb2defeda8b48cd2ecc7ed55e0fb5. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T03:20:53Z), 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/DEU671800058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5ff1e310645682a42800356477925083e8c65dc9be2e5361b5c5ffe0ef5322f. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T08:45:18Z), 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/DEU671900067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cdd0797474ef885f34c9400290ce25ab53ef918a51b51b303e6ec359f7a7ff9. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/DEU671900103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b4ce7d4512ff6a26aabf6da7bd28e73e1b3b52e7b43f4dc40009fdb0a654600. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/DEU672300419.
Change This Pain For Ecstasy (Jonathan Kaspar Remix)
Change This Pain For Ecstasy - Jonathan Kaspar Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4538ec96b5ca31080cc53ccdaf824a1917dc4dd06e4c31001a2008183bbcd197. 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/DEU672301482.
Change This Pain For Ecstasy (Azzecca Remix )
Change This Pain For Ecstasy - Azzecca Remix Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd81a26c670566a385721781d4b42db9d9a8730ce9ad16821e97cb87fc240f627. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T18:17:29Z), 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/DEU672301592.
Change This Pain For Ecstasy (Eli Escobar Remix)
Change This Pain For Ecstasy - Eli Escobar Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdb67ee33b32a94f0ac46adc969c64aaad28a04f9e7c3d4fd8309af28cbf9cd0. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/DEU672400089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7216578811477d3dc798a132e794d1fcaf3952da135927684c832c562b6715e. 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/DEU672400524.
Change This Pain for Ecstasy (Siege Remix)
Change This Pain for Ecstasy (Lazare & ADDAM Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeca685f20acbe5cb228f4cdcb395aa05c1cf064095b962cfe97890af8f5f8f92. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/DEU672500477.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd70d3b1a5ad95f99d8713641f6ddba0028b07cc7a98a41b074092fa8b400602c. 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/DEU671900140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76b13a25892481a6daaad9ef8c0d566b72ce35fce7e19a8ad5f96d0a134d9c57. 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/DEU672200563.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd96dd6b0fcbefe0ef8a0e27365a99e401d70023c7f45d6c7b4de7f2a6406c5d0. 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/BEN581100339.
First Landing - Rex The Dog Remix - Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf77078a101db6ac160424a13f466a7aa72accddec711512c7fa51536af3c1120. 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/GBEWA1802141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a925922fd28a26241dd7ee1f1cb4e007f3f1a2d180e1d7a0de0f6b6ba2f2975. 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/GBEWA1802148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0564fa76208ccac9acedf1f96ae61073ccab66c436007b767e8d1b32e521003a. 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/DEU671800142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a9ceb10f65840cafc5ec2ce3ed0a787c17940835efa44e2fd51e7b93dcdd434. 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/DEU671600208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedc159ec112e29eb0daf309decd561a01099a6e7abfbed6c86ed5da1df4d279e. 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/DEU670400063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x700ec7f23667fc176592e25623612ad8b2c8cb220fe15e0eab73efd2ac2a5da5. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/DEU672300626.
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
Circulate (JBAG's Boomboxed Re-Edit) - Mixed
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02fcd012dcaf1926ba7d742796b4dd9c703ff1dd8da3bdbc6ea3acb917a4a484. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/FRU700700124.