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 0x19c0db00f8438d14ded76ee4613d9cd13c27430a69e1763a5f19c48f5bfa41e9. 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/7b3d7f75-54a2-4559-9ca5-7915deec9abd.json and https://artists.proofprofile.net/proofs/artist/7b3d7f75-54a2-4559-9ca5-7915deec9abd.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 0x8cc4bbb1b6410d497adcb59d264744c3dd97752f5bba39bcd7086e3d163ab821. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T19:58:41Z), 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/USANG2017627.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f47e7d03338c626d7bb979af545b3a2457d3cac601d3c96fc093bbfffc956d5. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/USANG2017631.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0353cd828b0d30d3e67b086d6c779182ce325ae4f81f9349ed01f4ccaf6e108. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/US3DF2028035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09fe0d1f995b38d79810d9788f0631437acfdd2d68d9a020179c6be4a4e28f4e. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/US3DF2190181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c0944f299449b7a45592c5c25ca9307aa415f4a9ddc80c9ce31b59008dd7bb7. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:00:40Z), 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/US3DF2190183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09fe0d1f995b38d79810d9788f0631437acfdd2d68d9a020179c6be4a4e28f4e. Chain 2 (Bitcoin): anchored in block 958873 (2026-07-20T11:48:10Z), 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/US3DF2190181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c0944f299449b7a45592c5c25ca9307aa415f4a9ddc80c9ce31b59008dd7bb7. Chain 2 (Bitcoin): anchored in block 958587 (2026-07-18T17:06:26Z), 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/US3DF2190183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21d224ff9c5ac5dc8e762ebf9d140f87ef6144e9e360b075b6fd36d366af8d8f. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/USANG2102600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fc070627bd353328c0e2bb449cdcb39ea9d847b677a8c37783ef052e268799f. Chain 2 (Bitcoin): anchored in block 958876 (2026-07-20T15:02:53Z), 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/US3DF2072627.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0353cd828b0d30d3e67b086d6c779182ce325ae4f81f9349ed01f4ccaf6e108. Chain 2 (Bitcoin): anchored in block 958104 (2026-07-15T05:34:05Z), 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/US3DF2028035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6cdc8a77615076e5f49d729af2c6c780a681e4513ead0a5b857f23ebd2032a3. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T10:09:30Z), 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/USANG2259287.
Before I Knew It ( Vesión Español Norteña )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ced756be16669f7d7b86b504f867589b8526b5122bf6c4b89c5ee8550422584. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/QZDQH2392854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef4ab401dd15a311bf5283d688d0dd02f7a6dbc9142a6e7ec99d49801e05e0e7. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/QZDA42466252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c0798e6c1b672c53f61270b7f1fe61a4d509463dd2eab6dd9917b14324bc2a0. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:03:09Z), 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/QZHN52493329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d30d7fdff29227d0cb6996959205ebcb8d75cf5d937ada4849cee5a55ca7d27. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T20:03:27Z), 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/TCAIM2427983.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f82100042dca68beae91b8cba69b23f1a1a093bb4a6981c72cef6edefbb86dd. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/TCAIN2408413.
El Amor De Mi Vida / Just The Two Of Us (Medley)
El Amor De Mi Vida / Just The Two Of Us - Medley
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d42a896eb8fb95da83f5dcec0d9abdcaccfa0942e328d13f07542a039d67546. 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/QZ7362500026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a81303ea47c7694ae59852d6924e3fa2ce5d22ca9e1095c9784178b09d6165d. 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/QM6P42539451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa63432572bb8d58b5ecd1666dc0b0ec75313874a56ff1f4f9e35708411c9118e. 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/QM6P42539446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bfdc568a122ed8bc966bc2b611624168f47d48e4883a6eaf4b242ee3e2d6ec8. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QM6P42539449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x030b40f09b3f10d33c0048b558673cb428f8d8c498539a18c5dbe1948f22a42d. 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/QM6P42539440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab2c20bbf4310e0add665880452412b9643d30bb348d2669417f58e714e67c3a. 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/QM6P42539450.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb01ced311b2eecb90d9f0ef0ac37f84a8ab664a004fca1822fcd940df4dd6b5a. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/QM6P42539444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75b9d179378b431a1f714b5197d8295b41c3ff9157be069fd91ea8231dec2614. Chain 2 (Bitcoin): anchored in block 958870 (2026-07-20T13:45:08Z), 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/QM6P42539445.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe38cc6f6b62e05b6a2cc217a8fda6dc6d07713542c323114d6d212fa67201942. Chain 2 (Bitcoin): anchored in block 958918 (2026-07-20T19:58:53Z), 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/QM6P42539447.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b9050695af2a93442a1286242b335b7d5f398c185ecbf3af5149bf55917d756. Chain 2 (Bitcoin): anchored in block 958908 (2026-07-20T19:04:51Z), 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/QM6P42539441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5483fe0f46f93f8de6f303cc76f0b5cd7c86bce50396d000f9abab1f8c216ccd. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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/QM6P42539443.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x864e35728da7a00e95f6392a42cf870a9c77b76f842c753f172a920fc236a2cc. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QMFMF2530609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3800b3c626f1e51d6de7e13ca2c4e13d133c234ca1782283fe7d7102b0dabbc7. 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/USANG2114652.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69206a154743a74dbb212a3634b452b00c164cdd4fca67d8d427c9692555e939. 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/QZES62456503.