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 0xd7a0720fb68b31abc47cd62901eee002664b8e6c4341260826415a893f439597. 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/c3466cbd-39d9-4435-83b2-e09a82343f7e.json and https://artists.proofprofile.net/proofs/artist/c3466cbd-39d9-4435-83b2-e09a82343f7e.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 0x7cc8420e0642824d0cfd348d8c98082480a356c4bf361c3d1b2b653e638f368a. 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/MXF368327228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x043928a15d893cab49bd93d8de183b955f14719e359787c95fe7af633161d831. 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/MXF168700017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4db4e6ce6feebdd42caace9daf4826a73fc57d120e0480ab7a6f3948af17f5f1. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/MXF168700019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc95c2987af4676192d6e8e1e7dee3d294df93ac45a3dfbb1e783bbc3daf29b2. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/MXF168700020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c824f2dafb4a5b1e72279594b030c2e772459f7312521dace1563dbd200f407. Chain 2 (Bitcoin): anchored in block 958832 (2026-07-20T08:25:44Z), 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/MXF168700023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabc64365399247e7617ff9981547ddbea40395155b2a380d3b801f62689ba6d0. Chain 2 (Bitcoin): anchored in block 958812 (2026-07-20T03:24:09Z), 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/MXF168700082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0ffa6ce3a68cec60edd37d6c6225d746acdac2358ec5b6e1862b883dfefcaae. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T17:59:10Z), 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/MXF168700083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6081057585c4e0f09b1cb30f8589df11fe6d0738787921c7a2762c1ad47e9ff2. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-19T22:55:52Z), 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/MXF168700084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ef3f94943dfa97927c63867f97d188cfb7a8b6928b2452fe4078924cbb228fc. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:36:48Z), 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/MXF168700085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd458a8c8ec90dc943c355d34e7751d27c3a542ff4b9992de7c657790d977eb77. 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/MXF168700087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x906695a379b1b8f717ea41e5fbce18859a8e0a7f6511840ff62fe2e538edcb50. Chain 2 (Bitcoin): anchored in block 958368 (2026-07-17T05:03:25Z), 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/MXF168700088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaa04e815eb75aef101c4f87ef4828a1504f5a72bbfe3b969d48eb4f06219e1e. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/MX4971538163.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe33b8d4dc68091a46ba5676a7c1bc131cbd029f101d2d23a24e5bd23e6b8dc4b. 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/MX4971504642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x047861b23d1280b482772e13982c96907fc0e3cd14c04047c76ba889e3561efe. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/MX4971504649.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2db42601e9d4c9c161f9bfa87abc8a3f2bbf3cebb020a5dc8de69bfa609aff00. Chain 2 (Bitcoin): anchored in block 958134 (2026-07-15T11:45:36Z), 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/MX4971504653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34b28fd53be4e8d54c89bf81c3b129ba77c3d3219059aa41052faa20e291567a. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/MX4971504659.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x936d5749cbc33483ac7ec3fc0042565998410280e553f644307172645587030e. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:49:25Z), 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/MXF160102483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a812edc721373a1158ea6f21c5a74352db688c6b2294f15380edf91111f9edf. 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/MXF160102485.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ceb308df57196b5cafa9c727b87efb3142ecbec681abb92418faabdec81354c. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:50:55Z), 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/MXF160102490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71e406913f56af1ab5405086c75e1c3724595a22c12ff5e6b3336bc2788858b2. 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/MXF160102488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x573870d14bfcb9d5d0cb1bd0a9fa4f884d6c348782bd3b7e3c90d4f03353e2a4. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/MXF168700042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9231cdbfb223b202ef0597e6c4004713f1a2a545def745f3ded8f30b18ac4d4e. 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/MX4971531188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43723c573a198046e46b1d303c57d44366ca6affba0bfa4f56ea5bd561e419f6. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:50:14Z), 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/MX4971531195.
Temor de Perderte (Joyas Musicales y Más)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bd41fd6d0f5845da8e8ae441680e208b2e6810961c8f4831176fa0f10034b0d. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/MX4972500050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde9c457bb14ee3bf69d72a7f1be5707a48592dd9e227ccaf996fd40f4843dcea. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/MX4972500051.
Gracias Amor (feat. Sonora Altepexana) - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa304e81e3ee974ff5a80d192e46c5d2dae979ef36dfadd531d2a30caf00751f7. 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/MXG361900086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc7350bd4263616fe3c59edc25ce0f594118bb4fb4f221562c91e0ff4daaa938. 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/MXF168700024.