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 0x17ff38556a7f712e273028763230d5d73cf1892adeb75eea3cd606b3f15d1087. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/62b2eef1-680e-4486-9e50-c4964ec5202c.json and https://artists.proofprofile.net/proofs/artist/62b2eef1-680e-4486-9e50-c4964ec5202c.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 0x6e7dbad596b3b85eb4b1d1b04a2adf6fc0d556a152ad2324f5972bfd22ce4590. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-19T22:43:40Z), 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/PL44J2056451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4c30b6dd3709e8640435bfd2fd2c1c2599e7926003e7bc78738749b496c8b66. 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/PL44J2064023.
Cliché (Akustycznie / Black Kiss Live Session)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8596a2e8d72eb1188d86d1c5c27d9e517da5a82fb9bfd1073cd30f9805555e28. 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/PL90K2100028.
Slow Motion (Genuine Brothers & Barnim Remix)
Slow Motion (SI US PLAU Remix - Radio Edit)
Slow Motion - SI US PLAU Remix - Radio Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83978f4ff4eefc197c5af33a846a9492cdb8168857b80a59577419838679cbc8. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/PL90K2100042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6893e4dff7e486ea46b689f0ea29c089998cf87a5f4eabf601fddb2549ee63d3. 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/PL90K2200007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf91118f7b526fadc3da5ddcba712977ab4c00a88c93b45ff78582314fbdfc70e. 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/PL90K2200067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf91118f7b526fadc3da5ddcba712977ab4c00a88c93b45ff78582314fbdfc70e. 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/PL90K2200067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3fa013a2f8d89195b98adada63521bce8906329aa24b24e2007620799b01b58. 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/PL90K2200063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03afb605a91cfb4329771f2f3e9a4e5b5e615a65da5afbe2041202690500bc5a. Chain 2 (Bitcoin): anchored in block 957067 (2026-07-07T16:54:37Z), 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/PL90K2100075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6893e4dff7e486ea46b689f0ea29c089998cf87a5f4eabf601fddb2549ee63d3. 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/PL90K2200007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e685295cdcf0283f501d2d11b0c76b9765e9a9d469eeec093c7ae4d704a8ec0. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/PLA552400114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6bd69c769633380c7afaed13ce8ce1d1939b5e77a0ad711eedebe021e88dba4. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T05:16:07Z), 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/PLA552500420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e18891ba7625414447e54875c97dd9c5cceaef2cc06157e0b8f86141c199d94. Chain 2 (Bitcoin): anchored in block 957788 (2026-07-13T02:37:37Z), 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/PLA552300256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6bd69c769633380c7afaed13ce8ce1d1939b5e77a0ad711eedebe021e88dba4. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:09:23Z), 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/PLA552500420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a72216d81033c5317477ea4450d183b5be284ad183690d0787aa42db6b505f3. Chain 2 (Bitcoin): anchored in block 958860 (2026-07-20T09:58:28Z), 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/PLA552500610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e685295cdcf0283f501d2d11b0c76b9765e9a9d469eeec093c7ae4d704a8ec0. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-20T01:32:09Z), 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/PLA552400114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca9dd7b4ac433b6d4d437ff41a3c857aa16aa6df6a2ffa8f311549ab1def12f3. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/PLA552500611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf364b8c75ef82dd27353cd61e1957040ac6859706f68a9a3b0f70416ff265c07. Chain 2 (Bitcoin): anchored in block 958596 (2026-07-18T18:42:38Z), 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/PLA552500612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bf681ddbb1615e498eaacc10cc8d3050bf41ffe6be318f9a569ff0981943eaa. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/PLA552500149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dafe3309df681c9de7c04dba28d8707099407e9a64fa5503750117e7dfde7d3. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/PLA552401187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf454c16aacf7c256d2db0d468c8b508aafff68874824094d6d5f60c542c8cf5. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/PLA552300671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93881f6e24182d6af6e65eebc300398e9bb5d4c259e61497f1d31561a7e2a1fe. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/PL90K2500015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27a51012e593cdc4e55342f1cef0f9c345f4b8be3f3638e5ec508aac04d06964. 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/PLF242209987.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2659eea62bfa7d7313a5b47637d77c6029680b67e5ef77f57137aaeb0c7a12e. 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/PLC062011030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b93f18d0f7c3b82a19eddc413cf1fa68b453439f67914f7307d0b0d275a206b. 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/PLB382000253.