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 0xb9a01a1fd04a6fcc7ff7e054017569c0dfc6089613007e3c7088a32c1237293c. 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/28356e73-e4aa-48a8-97c0-3e8063268722.json and https://artists.proofprofile.net/proofs/artist/28356e73-e4aa-48a8-97c0-3e8063268722.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 0x5f5f1367edbc97452d9ed7f3a0b00563e51a57a7dae32a5f29f680c0076fe27e. 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/GRKM11300304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5238bc988372c39103da47c26cad5298a1d02bce1796b9fbbd2d4488308b0a8. 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/GRKM11300305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9504b764443d05101135a4a36bbf3934084e21995c45ff4db9dd0420250a3778. 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/GRKM11300551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56bb2d642090eab3469bcafe7acb55b63080c2257c8f550995af7c2881f8e8eb. 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/GRKM11300552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf63d532cfcf6b13910c965f91d3c5d6ac147bfedf9904bed5cc376f99ed9b602. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/GRKM11400185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf5f556bdf547e1d59fed8140550b7028dee2e311d16884460cba32f74a32c37. 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/GRKM11400302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2594ee290d19d2af6370b571f89bd6e4d56d0d64211f42b0080db722d9b81305. Chain 2 (Bitcoin): anchored in block 957863 (2026-07-13T14:41:15Z), 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/GRKM11400336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x246532da34f272f905a5cb39e87abae4a09e3f76e67e4fe0af7176bab4acff94. Chain 2 (Bitcoin): anchored in block 958700 (2026-07-19T08:09:50Z), 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/GRKM11400186.
Stranger Than Paradise (Remixes Part #2)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bf634cf3388a06a660f2ecdf332e6067bbc2b5f256fb5fcd586d87501d25a08. 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/DEKB71437492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x931924828c53c46dbd34ab5330669e4931f7a9b6fc47ea72772bf17f4f7c20e2. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/DEKB71437494.
Total Departure (Christian Smith Remake)
Total Departure - Christian Smith Remake
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2f7dd6cac67dfd74f96c94e3f1a063fd9aaa85c4b7c5a03b9435bd5368e0858. 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/DEKB71438696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a4064ae6c22d7f8a19c64a530a0c2436fd9b540627df200507381c184eb0ba1. 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/GBLV61627049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x431acd8050b9119d2a19ddd84bed95a0f7cd92c3f348bae5bdb852345876917d. Chain 2 (Bitcoin): anchored in block 958850 (2026-07-20T11:19:06Z), 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/GBKQU1808785.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b2fbe7e31dffb472c4fa22a9215fea3bee233bfd6fd0143e2a5f14071909bca. 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/GBKQU1948628.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x166af7b2bc81f199166c1d4a9cbf34681e4e4f934e5ac5417d6b23ae0d6c6330. 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/GBKQU2083128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6be8d0c4fc9305bb56c2adec0807c9a335a32df4bb8f1155db9b1b3c042c78e. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/GBKQU2083129.
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
Rave the Planet: Supporter Series, Vol. 008
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7acbc15f4ce4cb1e53320ae6d2e6cb6e02f8abdbaddf2a34a68933c80b27b0d. 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/DEH742174032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f91712383204b80f5ed360e295a342b758d0c662874fa1038754be435aefd92. Chain 2 (Bitcoin): anchored in block 958705 (2026-07-19T08:43:25Z), 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/GBLV62123221.
Turn The Lights (Alessandro Grops Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb534cb11b0ca7900d6a8906b44686eeb20eca720c80d499c0fdefc8a192db667. 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/GBJX32363034.
Hallucinate - Christian Smith Raw Rework
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa35730b66448d00c42468ccb5e489a464aa213c86bb882c20cd633156a5c7fe. 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/GBKQU2438078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4925eac199414dbf14752cb5dc7b62d27047f5ce365b12d225dd2c125b95cdc. 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/GBKQU2438079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9de4d6f3cae7bd67793fede3d3e8d2134b7df35e1b6141a559a2aac4d69adeb4. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/GBKQU2438076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0bb31f5aa7e276aa2ab588e1f1abeb56e817e8f43119e584742165afb265a5d. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:42:39Z), 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/GBKQU2516644.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x410753ead20a1c59b01001c8c1aba806cb9a60a47834ce2e7ffa21b45e4348b3. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-16T01:46:22Z), 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/GBKQU2516645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dbc0754941c4d6d4d8b7226c1165a6b5ae30c5acb96845f3aad444019b50f09. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/GBKQU2543246.
L'Amour Toujours (incl. Hernan Cattaneo & Kevin Di Serna Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab8944076573dbe6f31fcfc80ee3ae5c69897fbae0a635cb10fc30914e0a4c71. 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/GBKQU2589039.
L'Amour Toujours - Hernan Cattaneo & Kevin Di Serna Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80279c09478333b32d3a6a2915d03c30e467e0f19679683766acea076da57039. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T22:29:22Z), 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/GBKQU2589040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe03795d1b33a4aa3e7a89215efb17d7dd07ff32353993e8f6ff255a1d8022ba3. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/GBKQU2589083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3d3280501875b1b958b07683c18d5c28128986b96b1dc952447f8a264afba5f. 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/GBHAD1801360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf24cc5c4af4d855e4c8b108d0a34dac343e3ae0291624f5a3551c1190e9acf9b. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/DKZVA1100213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d5765bd5fc1affb784dc79e6e1d7ec141602461fe641c859fa98391f09b964f. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/HKC550700046.