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 0x24f85fdaf8d4bfb5d23e34f64a12d0783fbfa853b16e1bc0c4a84c9b7e43e4d6. 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/776e5e69-e296-44b0-9ba2-9fa121bf46ec.json and https://artists.proofprofile.net/proofs/artist/776e5e69-e296-44b0-9ba2-9fa121bf46ec.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 0x95b5201dd2e3678b86b16370ddc3ca09b4241f932b09a996dcc48736c9ba3c59. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/GBKQU2403651.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd33da11f4bc0c9fb2f8fd0e8589d06a83e6f2f28ff95f950a3ee5e84cdd40b58. 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/GBKQU2455568.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3912d9e658156a9497b8ea9bd1a26662c51cb5141d0d61d899468183198a441. 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/GBKQU2446440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fb15227517e2139e3bd49489f0b5aeb0ac53bc6cf41e1e8dbbad4739095be17. 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/GBKQU2438406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x987c6eef48ac916e3f0481a4b1f099070c0d7a9e6ff8c43d9fcb814c0147ceb9. 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/GBKQU2438407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49e7720aae806bfab9cffa4fe25a3b644d8c1bab7cfc9df691696b79b3d56207. 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/GBKQU2438408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ebe7f3b689e9d85dd6dc0d0b0ef627dbedd329a21c973080bf2692615cdbbf1. 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/USZ4V2400115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4f52a5fe6a520f9ebcbfcaa7c8d40121211b32bbce124e59aab8b29887874e3. 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/USZ4V2400116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb267f317d1901cf0dfc0fe5dcfe5e0fff0365e77770f3291e0e5e0671f7ad15d. 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/USZ4V2400111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb267f317d1901cf0dfc0fe5dcfe5e0fff0365e77770f3291e0e5e0671f7ad15d. 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/USZ4V2400111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a911479f3966b591ea97d75ca62679f75f48a6d0e762e5cc14a129e4b7634d8. 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/GBKQU2404292.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39009f8003e8eb48a9dfed448ac2b425e2c1af56d7746e2196723d04417547dd. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/DEU672301398.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c0c3546b91ba2b4981c7a6f47396c6b573b2864a4d931a4e2539c243db087f3. 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/GBKQU2395281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x444cf2a7ddcecdf9296cf5015908a11863a1fbc07d37794bbe9892172f14c385. 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/GBKQU2357951.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3335a860db4d41651044faae94ae616400f71445466601f1ed9cb95df2e0ceb. 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/DEVY92300150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x883904ec48631efc028425ba083818c0cb2d3ac9e2bc86c023837ea17a85f59d. 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/DEVY92300119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9dc16ceb1c879626ffd42e46184996fff5242948abe620fa86413f733a4281a. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/DEVY92300149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49ee89ef6b1ffe76c70d293e71c7f66a9884172ade9ec84422d333ea3d227c74. 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/GBLV62207488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34dd85d6889355b41bfba8cd71e79e01aa40d0e1c3cb49d8303680dea37a57f0. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/GBLV62207491.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f652e004fc2e2507089ad09ded9d33722532b0f4bf7911ceecfcac8b2121a23. 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/QMDA62276015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38008ff1072a2a9cd580a12174c79f910fcc2b202f665cc975df6fb0fda849ed. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USZ4V2200201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18bbe5262bd77a4e9017400df82e88f02fadec7e4f11747fa14e03805a0d523a. 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/USZ4V2200114.
89 When Things Were Fine (Demi Riquísimo Remix)
89 When Things Were Fine - Demi Riquísimo Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02b0fa9ef25be367c2acf5fc3e65f1fc5ae99cfdf70df80bed9120be9a58afb0. 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/GBKQU2282170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9fd99639dc18f08043f69c001539391c21cdb6365f2d5301c3f11d518f715f7. 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/GBKQU2260556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d85bd4e2abfec9ff45de3cba6068a83db33ff87510c19943a4ed88f1b6d695f. 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/GBKQU2254814.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92bc412109c6c108bb3d683f19bdd8701317e26127ecfed7b2439e94cf715624. 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/GBKQU2231496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4ec8548e6685729774e42c4c68f26972e7cf047d82de8bb096f789bdddc9b92. 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/UKYMZ2000036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1143b4c59d2c4c47291f646eb50db4d071668cbcc593e134e6a4304b3d2fe11d. 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/GBKQU2210104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0bdedc0f912874bcf1653746d6aeae27ca7d77b0d3d15428c92fe6c5ab41b22. 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/GBKQU2164645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa1adc6cb7f75ce9ad743650c26dc26f22c0b3b4e3f0827b0d4c7fbcd7d26bdc. 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/GBKQU2152689.
Do Yourself Some Good (Demi Riquísimo Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13f627e4373a759ca6eba8bd79f9d881b964b739a20ca58e45fb3dccd6b9311f. 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/NL4HV2100001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeadce445ab4681f29449b5b066a87daebc401bf59706ee9123c1b1a3ed4fd9ae. 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/NL4HV2100002.