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 0xc80db8ff65177a0779a920ba1157067c88192d9657ab90984872e3a21e4def3e. 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/205aa21f-d62f-42c6-a5a5-e72ca6569e70.json and https://artists.proofprofile.net/proofs/artist/205aa21f-d62f-42c6-a5a5-e72ca6569e70.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 0x243efd1649abdaea8c2b509427f75b9452c33edd5cf3ad3eaee7a27ccbf90400. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T02:01:09Z), 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/GBEH41404004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x699d74cb37f65017ad84df84f8a4e1aad4c37017c50c21dc10b78d77f7cec7dd. 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/DEL021750006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9820e0c4c11d740a0dfedae7252bb109ee74ef53a2df1185c89ec1b532a3c1e7. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/GBLV61801173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde4cb1ed171697a81a865394f4ee286df358686fa15c2874f4959fdc1ba318c8. Chain 2 (Bitcoin): anchored in block 958126 (2026-07-15T11:04:19Z), 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/DEY471819185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3a09d70dcf9b63f5412d0d664e4335abf94694ae8e4e628385186c9ab545956. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T18:00:53Z), 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/GBKQU2015289.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd81f579aaba36abb5020b5e3bf8b3b44853cc903efddb615a55b40d4da5bbc3a. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/GBKQU2213154.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e0590a6db18195594896320f1e7823515c3c9188cb6258664afd5c918f702aa. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T03:21:06Z), 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/GBKQU2240317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06c40d9c86b80582ca2b2774b3e39f5213a32936d608dd56eb38473e7c1d2cbf. Chain 2 (Bitcoin): anchored in block 958708 (2026-07-19T09:08:25Z), 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/GBKQU2240318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x538b10e28639b5cdc6a49094407674568fc03b886c625957c3eb4d4c7d810241. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T14:06:09Z), 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/GBKQU2266648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb1b3ba172d096bc57db8859cdb21ce9c31bab5ccb341f108218f4ada57663dd. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/IL4612200078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x072a7040e2cd67a12c5a7b9d1922552a8c10e4a5fd71ede8faaba2f97d68dbe6. 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/GBKQU2303914.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56916e4ccf0149927a6113139677a90f022c38a1da53a2aa925682f8d16778f8. Chain 2 (Bitcoin): anchored in block 958407 (2026-07-17T12:08:48Z), 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/GBKQU2309969.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0cd243c228215998c17c058c0c7438fb7883612b94c2abf1272f6a32daf5fde. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T09:47:18Z), 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/GBKQU2309971.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd52679fa593a736b2120e1cd9bd9977a11a66f72b7013deeb10905a05723d292. Chain 2 (Bitcoin): anchored in block 958510 (2026-07-18T06:38:22Z), 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/GBKQU2345287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe1aac49652b9bb4e48e0c6825b398757eef66ba2cd5ab4f5d7b16e3be36c7db. 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/GBKQU2345288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cd86bf3ad5311ceadca860a497d2e5a80e82a9bdfadb6474307ef165b2e59fa. 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/US83Z2354470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b4b5eb81d0a6d1b3129c502fd2f92d74182bf4b430df16354dccec8ffb04c70. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/DEH742413008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89622cb8d11dfab50a9d47ec33b8bc9435afb1f956c8255876ffaceeb9437492. 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/DEH742413009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb7e2edc2abd0a82fed673610ed35e258e8f56ef93b93f95eb5d4979d6a86894. 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/US83Z2417137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c2f878820f725c025c21f9f1174fe7ade2c035c29bfe7385a2fdc16613e5000. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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/US83Z2417170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7164d525f27601bb9c1ffaaeb172b2f6c88db5fe5102cb78a7c4e66057df983. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/DEH742441643.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8df442fee857669daf40fc4583b1bcaeda0e77dec422ed5f7667558d45e9b49a. Chain 2 (Bitcoin): anchored in block 958602 (2026-07-18T19:28:16Z), 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/US83Z2430711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31169479168c18c119c04ff207098c970e8d6c3f5d4a5e00732c12dda572dea7. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/US83Z2504454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70440693910e03ee12f08e9c389c1458100c341c9e4745c6e1fb4e8e3026591c. Chain 2 (Bitcoin): anchored in block 957876 (2026-07-13T16:00:32Z), 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/DEXO32485680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b67da3f47d6a1d8fca1cdf56bc751fd33b2e1d8941cc25c843611d0bfc2b5f1. Chain 2 (Bitcoin): anchored in block 958552 (2026-07-18T13:15:29Z), 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/DEH742501929.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fae365f9d4741b263f9ef665026847f77e87c0c3f8d45df651380aec913fbbb. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/USUYG1717086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58166b0b5edb4cebc4182995b149db9e2edb8c10760ce59528f0cbfca1a98426. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/DEH742514775.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d687dd3fa0020fb3fd3802f058044f89df8150abe4de65a107749980fc6f6a8. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/DEH742514776.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e202e2884353cb258d6af01aeebe239fc5604a955881a75893806d099b4236a. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/US83Z2535281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66a171bae23c82a4436242cc2b458d81e0862c4c369f589c7d1fd8dc9d13b4ea. 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/US83Z2548021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f0258b88ac99016d51a2bc324f548846f19982d6894bf91d78bdde59e195d2b. 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/DEH742327434.
You Just Danced - Anturage & Alexey Union Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x808d31b3c80687b470692b84da5e41b2978c95b428ca16d667ee300fba332334. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/US83Z2219588.