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 0x464145ee3a32ad81d5816f8630a2bdc8971ba786d0edaf2800f60bce20d40fe7. 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/b478265c-0ba4-454a-be83-8d6807ea9cf8.json and https://artists.proofprofile.net/proofs/artist/b478265c-0ba4-454a-be83-8d6807ea9cf8.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 0x644d9b1a6cc2e928f6fea7b1f987f62f0594b6a62fb475120e37054be62ce2fd. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/USZUP1013247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5b34ee0bb32852f7f24046ee5300b57d6d2a9e7398f51a809db51ea56b1ba7e. 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/USZUP1013248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x375de3489c68cc418c953788deba439aa7062cf69cecb50b4195b82b70f7b501. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/USZUP1013250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57b4286742ea8b84938f3ebafcdd72b77c1858fab339be0c3eced624415adb0c. 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/USZUP1013251.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x606a96b914ba38642afccc97f7d655d14a802995b43e64bc49be5938f4bdbb48. Chain 2 (Bitcoin): anchored in block 958918 (2026-07-20T17:58:04Z), 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/USZUP1013254.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b54cc743a00caeb53679068d59d822360417ae14092e0bd00de6ac489e4ce9e. Chain 2 (Bitcoin): anchored in block 959069 (2026-07-22T01:01:19Z), 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/USZUP1013255.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9543fc74d7b984211924282691317929b23c6b2e658c6847f9f221b2f2d23640. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/USZUP1013132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f8032498457e4c6802d7a60d6acf23c803997f6641b917bcc41c10de165f4ca. 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/USZUP1013134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x256ff9f6acd4fe0988a975f3ffd55f773b25cb7b58d99c964f4b234a00724567. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/USZUP1013135.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x864bb6f829b81013f050bc560049c6bcffa7b60280f602296707d1f99fe44c7b. Chain 2 (Bitcoin): anchored in block 957603 (2026-07-11T20:26:17Z), 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/USZUP1013137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dfe37e5975d66290653e7fbe7ed46ad4bc3ec13e102278406487eaddf618984. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/USZUP1013139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55ffc43757ce1bd30e5fdeac3057e760e0b654f046709a60d1d231837aac27b6. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T20:56:19Z), 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/USZUP1013141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84580c4bb7edd1ce64000e3ef59012ca94c550bbfd28eeb6a2de25253511a21c. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T02:13:50Z), 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/USZUP1013259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa529255577c0a1f2e3c22559b5aa3651f2d371755050e0827c14411e663a0640. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/US39V0801817.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcce0e03e487e87a372b389676e6bb8c3e12aaa876a06921c0c3e14360be57cfb. Chain 2 (Bitcoin): anchored in block 958596 (2026-07-18T18:42:38Z), 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/US39V0801826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf77837bb8f45e837460e870f429e500bd2c6e18163bb151898e749c341419a59. 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/USZUP1011307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d12f74d6f0e3ff68461add2ce6c7aeb7b3c988a2506630a689626e67149c6e7. 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/USZUP1011308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9abb40e0d1ad37da9d2206ded42f2600e8a455cf58492b66e34e2bfd3b238e90. 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/USZUP1011317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd32832cc15b6e7fe44ddfcb64b5bb548837b622bfc15338a3392153c36c49fe. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-22T00:21:14Z), 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/USZUP1011318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e36a8003bf781b89a4c6fdb7ec08d9d5207d6bca7a7f4c087c553d46b7f3e47. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/USZUP1011320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6922d29d0fe58c1b65e9e4863787ab4eb48f2a1a7ac17a69076e6d5e987e935a. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), 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/USHM21346170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf35bf3c71f6f605506a9c6401e27ec37ea920d73bb6047b570ec8e0dc5d8ba15. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:52:15Z), 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/USHM21346173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb350d5bb792f9032122fc82b65398878ae990bcdd908460c2eaf0b8ecb0d4653. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/USHM21346177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ca489b27631cb3cfb74e3645c3f8fafc538404190291c4fcbceda86332e8b92. 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/USHM21346178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12419c80e45a0f42fa8e54dbaa13b486977a7fc7509d11eb113609910d65fa67. 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/USHM21346160.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfce5273eefe93ac74394d59e0e2ad87da8564927c778616493f60a55293bd00. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/USHM21346163.
Con Respeto, para Uno de los Pilares de la Música Norteña
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1a5f4368cab1233602b9751a3d1332e7d02b9703779aaba73b41020d6e4645e. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/USCGJ1403208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x024cd91cf15148beb0251178f0bcf070e74c6f20eedbdea798809772b2d3450e. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/USCGJ1403212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2ca69f10b40f45a91aab92606e10e1f9f4ec9573059929778bcca25ae41a283. Chain 2 (Bitcoin): anchored in block 957613 (2026-07-11T21:37:58Z), 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/USCGJ1403216.
Con Respeto para Uno de los Pilares de la Musica Norteña
Club Corridos: Los Astros de China - Los Exitos Mas Grandes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf09d817e3b46d1089c8b842b491705fde5d001c743b4e183ffd2c33a6c42d97. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/QM4TX1551764.