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 0x1eaf28c26f80b417c1d32f88a37106ed73d8b98bec8446d97285bc37f7ccf175. 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/4fb2f77d-51c4-4470-a49f-e1bebd417f38.json and https://artists.proofprofile.net/proofs/artist/4fb2f77d-51c4-4470-a49f-e1bebd417f38.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 0xdf144a69997cb27d5325321073ee6dd24d2ea2752b36fed195468b6ddc5fd925. 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/USAT22222277.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3286b50ce6d87576649ccb48d71c04fe4d63129533ba2abdd2b1ec54c267a8bc. 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/USAT22222155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x182d13bf6ff77c6d546ed061d66470a2cccd57888ab8c0847c3129a69b99b487. 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/USAT22222278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d97c4d72bfc7cf84fcdac5c7771e7999ccb42fc9f9b3650119cea80e1cc2b8c. 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/USAT22222279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x589b782a4ebc3e3162700897b0ccdeb131b8ae3ba2d04d4860330fb39a2ac157. 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/USAT22222280.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e5ef73717d5c809e7d78b46d9f3b0a637e227d4050b6aa651249c9289380da7. 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/USAT22222281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d2e341a8737d3a2c11b4d05f5df3f567446784f576f0b9a3e172a2c393afd00. 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/USAT22222282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c6b26221eba73dae35b14c297c958516bd0199e9ead7dcded73b99cdf58ee98. 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/USAT22222283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf089a6697aff47c30d4d1dace4a22ce9f97ed18b93e09c86062f878b9385cd2b. 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/QZTAU2351350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f99145e20699d71bf85000f2de06551980f34ffb262a580a0d65efd26ed188c. 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/QZTAU2351351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6a56265ee6b3d987b86ad03e91c89fc16237c10fdb827a871fc5d975dc6aa71. 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/QZTAU2351353.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ae7b22ece7f54ea48e38cfc5d3541db53da7b226925b9d48471caf013277236. 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/QZTAU2351354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85d1cea2ebcbb088a18e43be7d837b0392b2a89965278947ce8b26c0ba05f4e3. 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/QZRP42211561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01c369975b9ee3a39e8b80a7a29161b025fbc13e49e73adbd62acae3dfd7f906. 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/QZTAU2351352.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ec6a3008fcf455cea4f45739264b4cc11b71a64f3fdf46be8567f8cb389b433. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/QZTAU2351348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c77f98815a294f7920fb5ffeb983b4267e73d4d4277ec6113344126dc401d4b. Chain 2 (Bitcoin): anchored in block 960161 (2026-07-29T22:51:26Z), 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/QZTAU2351349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5caf9f5ceb6c352baf053414021017e7d02737837c465286dfedfb2581393ae1. 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/QZQAY2481271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9155d8961ff046c16b4acf3d2c2426147e4b622a73047c114cf69763f46de250. 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/QZTAS2432297.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fa13d35d4f16517ea8a8b3a10902a01b28f96e6c35e09588d6935636c4a0244. 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/QZRP52425329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b8566c7a204369e997b8ac1c0f4bfbf0a8f0323c3d2696b1d3c7f32bccf8b17. 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/QZPLS2412883.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ea0b1b26960066c9e5cf16995ae15b7d565a50fc434c4dcdd28e39b41b4b732. 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/QZK6M2482929.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea526b4f3012e41c3f2dafc880d0b60c7f2bc5cc32bee09db63878606a0ace8d. 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/QZHNB2471720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d4ffd3a4f94499293fdda4a391df8eed79519ac932ec37c8859354c88530a09. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZHN82419647.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf940478f9e101e4adc43e3c17bb48d0ab5b3233327b9139a44de9fa7d96736ff. 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/QZHN42442627.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8930b83dd4a8db7dea0a6b820f999b716bc63a1c3c6be2f6228499e33bf4370f. 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/QZWFE2364204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cb0784bb44141f272a3d61abffb1f545028639cca8248e42cdf83a235e539fa. 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/QZTB32347357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7388a2481dff675d94f4f7e0fd189df9ed79f0d5da8c4bc96e135c9d90261f85. 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/QZMEN2343753.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf90cb613eaf05bdbcb3caa304a8bf58ed5fcfda20f765173091dc4e4561a314f. 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/QZFYY2331467.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe68a1d505ebbfd4a274c949ab78a1d42a88b626d8e2ea7afa299e2cea986d217. 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/QZTB32286580.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f39971d28a618e9d5cd0f71f8a1cb2fb56b9690a401af9dbfc0bfe84f9a2f19. 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/QZTB22241351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa15a8d13d608a2915945e50bbb39316e40164efd8c40e389d3b1bf02b2616795. 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/QZTB22241352.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70578bb759cf8a572c3ed982bef99d18b579d54fdefa804e421bf6542a8da4df. 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/QZTB22241353.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6057114339e763c29c949fbb07768420d03a0812d19bb10ff0abba1fcf66cdc. 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/QZTB22241354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd34cb14f3a201606c71b1bbfc954c8e095ba585d7c1fe6d9a64c39ed0577828f. 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/QZTAX2233393.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x485c3700d9bb0ce02f9b2cfa9eebafacd22986d77eb1216fc9d7d00075b95996. 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/QZK6K2339157.
Bang Mines (feat. DoggFatherPoloh, $paz & Imafool)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6af56d1c4a99e2063bc90a654c9485691652f0cefca78e85431b2fb2a28c940. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2339159.
Grimey Park Freestyle (feat. Plug$ & DoggFatherPoloh)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x589d82001263ec13ab32024627dae0b579fd663cfc09588df7ba9bb34e3f9203. Chain 2 (Bitcoin): anchored in block 957064 (2026-07-07T16:43:08Z), 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/QZK6K2339162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4678d34a741a9040a267e206bea1302ad54ac39c1dd3567cbdc3f63145142d52. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/QZK6K2339164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea526b4f3012e41c3f2dafc880d0b60c7f2bc5cc32bee09db63878606a0ace8d. 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/QZHNB2471720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8aa5d73663f8949c1347aaa577e83f66afd3e1cb5f65a47db69815fe86dcd142. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZTAS2448322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x119d2e53937d3379df0e738dde2dc787461db765963c8cd517b1f40be094ced1. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZTBC2366064.