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 0xc09a529b2d0ddb07a0b067dcb973afc169f58c0f47f015af0cd9bee8c8aee231. 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/148d8654-3cfa-4b09-8493-75955ad799f1.json and https://artists.proofprofile.net/proofs/artist/148d8654-3cfa-4b09-8493-75955ad799f1.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 0xea15aafd5e610cf70a47206f1afb6d72f0ceefce6521adee1390e1b5ac55ef26. 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/USYBL2000518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f656ce3d332f82d3cd4351e214bd5548c0db8f204e922eae30a07ffd9bff400. 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/USYBL2000519.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93e05327e1577eddb3e24fa996e6bf39295947fb20fc51b68e9c509179b477b3. 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/USYBL2000520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6a6fc03648ef53413bbb05599d03cdf798915c7eb7bdd8911b39333f8ac82e7. 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/USYBL2000521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0b62ecb2a1972e2202195b8d68eea4909f03e0f1430c0e75427baa2aeba978a. 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/USYBL2000522.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe127b0180a886a35b1f99fab418eba6038c603eb727e90fdd019119d178ee3b2. 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/USYBL2000523.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e7172a2222e91e2866c97dbac3ee116b27676d368b3856eaa5fc6e8d3d15ae3. 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/USYBL2000525.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71206b798d9e7ea5c83694d708ee8e3ab62481cb4aff237ebccdfea4e4570d45. 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/USYBL2000526.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x886f84e440653ee171ecb0b2443d0c715882c3f2112ef1e9f65df51a7087298b. 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/DECY52201385.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf1de648093ebecd1824161e4ebfda5426b70abaaec8e3435d369bb1afc3aaeb. 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/DECY52201386.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dedf2bb152a565eae7e8b98c3b304cb8ef7a674ba2fb7bab52b00591e827938. 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/USYBL1701358.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22f92e4cdfbeba3b567f971e3fc91d8580537fa1e452bf2b46270d9a2c3cda10. 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/USYBL1701359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccf0fe3800a44e5c492ebc1cd81e5a76dd039725628be0eb50cd213a78e8fc20. 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/USYBL1701360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c1ac0bbb68d66330620aedde6b90e57777f8e40a1fb33d7b0e7a5c9fc0476cd. 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/USYBL1701361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31e91601aa6951e2b631f6c8f82dd21c13c7a7ebe1d300eb79a5a60b678fd904. 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/USYBL1701362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e92ecb9ffb16db48439dfd57d9a28fa963db594b66c5d54f03c5b1047223382. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/USYBL1701363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd863ddbdf57a8770fa68e952a6021a20a6a88f5985f5ebbea3d5b8f82ce14c16. 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/USYBL1701364.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12f3e8c25103ac5df7c3113d4a3c708ca3ce85143eed0f0a76f387552aa53b7d. 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/USYBL1701365.
New Year's UnResolution (DJ Python Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ecd0250155e01ad8309790dbc8a3c93c0221a14d6fb569b6043cb3ddbcc146a. 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/GBCEL2300059.
Abril Lluvias Mil - Ricardo Villalobos Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7537536a8ed4fae8848b78298467cd6f7e8bf5b1e8a84ab6af86aaf43d8e5cd7. 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/GBCEL2300057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e8fcf292bc825eb1aefe6f98ec1cdb17f6aec48aa402ab56dea4d55591cdb47. 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/USYBL2202140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bf952bd0adb33d1fe6f01d0e04b0b7ef2c564aa00876cc3e3eea3dd6cf18ec1. 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/USYBL2202141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89ac3ea5bbd6f8ff02bf92e7eed6776fdf7ec83cb5274c778f655ab23be38370. 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/ES71G2231670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e6bfc1a8dd22efcdffd8506bd66e00b1585fcab947920cdb9f825f051bd881c. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/ES71G2231671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b4f247dcfc41b7afeb8f28cd26131d7637194680106850801aa454c66510609. 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/GBCEL2200243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1efd3931979356266b0490fb63009ba1ff5d7d8d1e2870c04747e5c67d7b7fa. 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/GBCEL2200244.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92cf873ea14e439a861fe8a5754773d86daccc9717296316309a79f5f7220415. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/GBCEL2200245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b4f247dcfc41b7afeb8f28cd26131d7637194680106850801aa454c66510609. 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/GBCEL2200243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92cf873ea14e439a861fe8a5754773d86daccc9717296316309a79f5f7220415. 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/GBCEL2200245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92cf873ea14e439a861fe8a5754773d86daccc9717296316309a79f5f7220415. 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/GBCEL2200245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7189634fe36e64c22bc80dfc5d97e8346024e9ac557dd59723f5981b469b8d3c. 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/USYBL2102257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5b78eb899f12a5e07189645657078ae18e81c560efe1434167f8fbfdee2dde3. 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/USYBL2102258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x678faac1e49296a450420cca14652cc29787fce2e0c1cd4f622e793ff172638f. 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/USYBL2102259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd89c7693628abf9125ba75a4d1b42d2faf63b6dd190c9fee5f5064d0c333b1c. 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/ES71G2138465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4db281517ba577bd3b50c0c18a21f6cfd0896dff57e918fcac8f6ba1acd74e7. 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/ES71G2138466.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x676c784d7c932c18f1e7bf15d41b4d5e16d8ca07ce17a1c7609e8961e7ad7537. 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/GBTZZ2100034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x225de3de80abf5dd33a01481e400d1b55ce8d34e43f5572b2f168237f67f1495. 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/NLTH61900051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb30d8819a82512975e1be38c3ea3486fb041faa7a8362bb8a47e9707ea57e5ad. 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/NLTH61900052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c052c7c3379d3b9f346862af3453ba9e68e5c65816d1710b3513f6cf582ce4b. 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/NLTH61900053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1504ec447afe320d4dedbcc20b6beda308ba9f409caa6ac0f997f5007e08742. 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/NLTH61900055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe120322fa0610bef28c981d6207ffb4a115a48aaaa965f0d1e35344adc53d0d4. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/NLTH61900056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9bb6fa4eee56a0615d29d0e496f2f1917ee8d7967dd62157bd66731f4a69a40. 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/USYBL1600752.