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 0xbd66ef7c604fa2b2f51f85e426c83f2081872778faa24320853d9f7d66e5a8f1. 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/674d1cb2-488f-445f-8d8c-556fef86d352.json and https://artists.proofprofile.net/proofs/artist/674d1cb2-488f-445f-8d8c-556fef86d352.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 0x6f09baa201242f24d27ad71641e8fc61d520b6b51bb7405173b07c16c8713ec0. 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/BCVP52200022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf493433b127eb89e6faf02acc38408e6344ea22066497d4caaaee80af13801cd. 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/BCVO92300038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03562f34b91cf2931d0dfdeb4d2a175021457bf954fe461268550811b27326d0. 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/GBKQU2074756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf60f91c3267ef4ac9320c138a40e0d6a38cb3f499fa9528bb458faff841f3a89. 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/BCVO92300022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55055123bd530d104089fe820559eecf445f6605d2c849672de20053c9e76089. 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/BCVO92300006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa116b9ba291d3310bab39f2ed063a858f47918ba9105b302f0425d2653c8f078. 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/BCVO92200004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5ab2c08c64db2006f12d8c99d12d1541c28fc0e30c3d99e4912b9365ff6e712. 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/BCVO92200005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf102c065508a2d6c69d922e5d7a092861323a9da3b81a301221e227731e45a5c. 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/BCVO92200006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4c0761595a0158449692e2d184705ffcd4fadab39ac31a5b1f3c85aeecdc7d2. 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/BCVO92200007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60923605f95a4a470f74c6aeb7ef5009e81f6c900cb5ba4e3678adb6eff5d72d. 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/BCVO92200008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeaeec5949a2ba39878a0a86cc123fbbd56143896b5ecfce5c6a81c949d592b1. 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/BCVO92200009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x157dcb4a28ac426ad099c0674aa2d969ff9d3d76fe7badfb211ea2307eb67baf. 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/BCVO92200010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x984c9fa2a018728d50470d5d4dff51b0741c166ff03da5f00e3b0541f7e5e4e9. 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/BCVO92200011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bac5be28b3e53707e2111632dfd975da9a026b8e771bb4a3536d473905be603. 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/BCVO92200012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e26b65b35e51c147ed2928b0e2f8693c92153afc61764239c7db6cb0140dcaa. 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/GBKQU1902364.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf3b6203371bcbd959829a6284a0544daa211c629be26bfee052967e5a88a5ae. 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/GBKQU1902365.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde61f74ab7281fc983375a25897577fefa82f6b08ffcf1b23c342ca4ce5d05d5. 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/GBKQU1902366.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe9e53c3426f10b3141447af54ac3c85df0204baa0fdc0d77cc981c7ad2ee757. 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/GBKQU1902367.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85dd536e283483b64436111370a5c059b2c22d5c8c816e1bebd16306d396ae1c. 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/GBKQU1902368.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ab7c9c85678805288d3dd57f1f3ffdcc4e10d3c814dec36aa225df1f6d35f5e. 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/GBKQU1902369.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5676f48132083e937f417ad34b9c519c9e6de29b8b128123704e593d765233b3. 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/GBKQU1902370.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef45cd8a2ee2ce3e72008fd6e66495605855483a3693677b86025f1c1db7af26. 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/GBKQU1902371.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddafa70eb1a11b5dbe8947f3efb01479a1ea53351d11d9a397cd128ec3b69673. 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/GBKQU1902372.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79a8be144a05028e3896a58279d97ef46517d8298d96e095ef936edf4b19e74d. 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/GBKQU1902373.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ae04b98aa4d99c31f997dbc241adca0c3c5195623453edfb118ca4fdc3a734d. 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/GBKQU1902374.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x348a8d0cd68259798dba02675287d0dc6c8c6c7438480db75081101037a2bc0e. 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/GBKQU1763539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40428641bf68a16857419358416663a7c1b82634945a243d9d8a92f731360c76. 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/GBKQU1763540.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76f2ec4a84eba24c9310c3ed148b844c75c25929e5afd18f73e8e5d97e067c9d. 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/GBKQU1763541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed70363e6495d1646fd6b75745480cc02f6359a18ecb91a1593a6dd07f00502d. 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/GBKQU1763542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8e26be514a2ce2088d71127db9f20d9dc8475b75e594abc8048152d8beb1cb6. 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/GBKQU1763543.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x039b9c0fdcc0a6039be70ffd063985cef4ec302c540cf8186ce9a4088f27f7bf. 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/GBKQU1763544.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d7816dc493a81fd955fbbc9db9d0dba1ecc99386a8a34977ac43a6cb18ac07d. 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/GBKQU1763545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44ef475dd14bd1e665328ba83ed7be88777972f8bef4eb188cbc759410ac8e3c. 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/GBKQU1763546.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf002343bf34f0c0766feacfc64e0d463c6b152e55904c30f14e322a0aa6f029b. 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/GBKQU1763547.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97f480bdcd33a67ec0eea5299109a13c67cb87ffa3a7e80e43f5898fd7cf5bcd. 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/BCVO92500004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6b7b9d520049aa4aad688c960dd9301ae61551fbf8b7dbbd424fc07fdb922d4. 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/BCVO92400062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdaef1ca9a6cfcd6be79eda8d54ff50e6a5e5fc516b9b95c6fe26f7ba725a978. 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/BCVO92400059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeca90edfa71cd52989f03fbd344e3d6030c0db17a662ece17607bf9207c356d1. 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/BCVO92400038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57a9c2f3233a4a0ba6015027e35b241cc4fdd3bd8b31b092a706d62f4acfd3e5. 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/BCVO92400009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9ccbe29c805bb6d9fa10c5b2c78ffc501c9d50ef8144392dcefc5650a680f31. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/BCVO92400003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc3bc22fc8cf98ad9d1caa304b59f43f29e89933ae9b67686b3e56d274d614bd. 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/BCVO92300068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58a1e17a1c2601ec7e7683db247dba05e7f9745661384573a4a871a670e9e564. 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/BKRAP2300003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e6e94c548a3c31fd088464de30152d4fcce07c9ae713a5a35f6bf5db26412e6. 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/GBKQU2380032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf4803830739c26b16098d89735bc0aefb4bb0f455c077ed4912ffd46e44278d. 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/BCVO92300030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54c5f5e42c0feaef9544329b5ed84d7ce0d7c8f15f867ab7b0db71966ff6a333. 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/BCVO92300015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2ebd9d0e775cf3f6f2e20852594162286dd7a784743338d48782cc225f77f56. 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/DEGA22303842.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19714a3220dec6ded401abc7baedcccf03420b2c727f48e5334053d6935d2f8f. 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/BCVO92200055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed820b67c815ef7fc5c131424c2fdda22eb4b94e16ef53619267bdc38a878c9f. 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/BCVO92200047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd65efb42d22ab10ffacdf8bdf2f961bc9e4af61f027b54bc0d53d151a709fd13. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/BCVO92200048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6592fed8b6c887c4c7d891b070cca1e77732ae4b6501bbe310f3cb04d3fb04d7. 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/BCVO92200037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd65f1a39712ec78dbb6f525fe7c1902e705f46c0fc73f089e5def095c0de131. 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/GBKQU2247548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bb2cd7f205af83fce3f852b6d21ce4193b0009c6aa3452342f156cabee06497. 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/GBLV62124536.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ed4c54741447b177be8c5ae3f60a06b33f7fd4fab3abba672d4c4f52d3a63a2. 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/BCVO92100018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33c05591a83395dfc605b136b67f3e647c48e24b0f3494e310340c43dc0c1e5c. 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/DEGA22103413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x590e39a480fb9cc3b0b5c0cc04164561556f518fef3974c2c3c8efee7bccb9da. 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/BCVO92100004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78577e3af267387f48201081171a17567eb0466f2b72d4e5afdfd3617113d651. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/BCVO92000009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2a942e4f88471dd333b82b48f59eb8a4fcc283fa739c37055bc0f9b294c6a6e. 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/USA2P2042938.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7997a705fee20ec125f3ba87d20e7c7dee7cd8178363f8a2224459c02a7e8303. 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/BCVO92000001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34cd56bc34da38c612e9bcf5f225711859f8b94dcf611aef0e0c18a955baa4de. 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/BCVO92000002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9190ab5f364e4b0b1810c4d3b6d1e8c2d11f5e3b26767f4270a0ac86d3ec0483. 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/DEGA22003270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3fd56b0774b6ba7f9dc368fd9e140147385443f592fac9e96373d6799341f5c. 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/DEGA22003271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69bdcfd507eb084b7a75741a48bde7bfe622c33e10bc85782e89c781af74bad8. 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/DEGA22003272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbec1d21a92165dd075f5b59eabf068b7d6f73fc32981087b6a8e91da6a16ef0. 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/DEKC42000076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb829c8fdd4756c4bd5a1d975a13bf1316095d3d5ab1477bb7c7019dd718c173. 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/GBKQU2081222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89ca2a1c9ffc5be1f5f9c5fa4141bcb33687e2c571f02e804a6f6862659af1c7. 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/DEGA22003202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9ea78979e3dfb9115e0e4759c971986613c1b6aa04c60e73cfd957ac0144e6d. 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/DEKC41900106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d606c8117104090cec7e0d65b2bf80828d6facadf86b8801499400d3042632a. 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/GBKQU1987204.
Produto Nacional VOL4 - Vegas (Brazil) Continuous Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d2c0216c5201476d737e676f7872e2993ca8cf72af4cf24a7291fb8f7082856. 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/GBKQU1971050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x030971a1b0c081842e957fd984a7d69a56421ae527e53fc4abe3ee9dc8ccce3f. 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/GBKQU1965877.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x382c6e2a9a664d87158dee169fc580598fbce082c35e85c82adedd579438c277. 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/GBLV61709452.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x382c6e2a9a664d87158dee169fc580598fbce082c35e85c82adedd579438c277. 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/GBLV61709452.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01828f20849a6e9fdf6ac39a3629be27d09209c433d4278131a3e0b9b6619e76. 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/GBKQU1592916.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ed4c54741447b177be8c5ae3f60a06b33f7fd4fab3abba672d4c4f52d3a63a2. 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/BCVO92100018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9a5d187da6a255c42dd9bde10cfa45cbc093bc8ea39d58fc5eaa26361b54a79. 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/GBKQU2147354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03562f34b91cf2931d0dfdeb4d2a175021457bf954fe461268550811b27326d0. 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/GBKQU2074756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fc878f307384437fcaf9f6281a6eb26432579df8c2e71b86f119a3f02b28580. 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/DEGA21702317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a90c382a6ea4e5084700d9dc86f6a99fb4cd79a99d8d3ebc0a10861c7cf4bd4. 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/GBKQU1882338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfbea7795662ef59ddd05455953cd6f7443f0a4e85e19565ebcfd2350c4645f3. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/DEGA21802581.
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c2ecec596bcd77a6cbf030eb033956206988b51edcb3a8b76f1d0903f427af0. Chain 2 (Bitcoin): anchored in block 960166 (2026-07-29T23:39:29Z), 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/GBKQU1819403.