1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x488c1c2713021bdd8754ed886288851ea849fb48fb2bd262b862d50d66034e4f. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a667fbe2-84fa-4194-b8a3-7c112e35dec5.json and https://artists.proofprofile.net/proofs/artist/a667fbe2-84fa-4194-b8a3-7c112e35dec5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78632c5fbe5104ea320b063a892f1f5363d73cc1d01334c4a17e1674e517fe14. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2GdRaQ8E9lK8JDaLadcbG6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2GdRaQ8E9lK8JDaLadcbG6.
{"copyright_id":"0x436819bbaab7564e0d28ff5c6cba29b8076feef2c50d5e0f99ea5513b6675ebb","isrc":"QMDNX2110569","name":"El Santo Del Pueblo","registered_at":"2026-06-08T19:10:45Z","spotify_id":"1wiWpQa7clG7bmVS0dsbah","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x436819bbaab7564e0d28ff5c6cba29b8076feef2c50d5e0f99ea5513b6675ebb. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1wiWpQa7clG7bmVS0dsbah.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1wiWpQa7clG7bmVS0dsbah.
{"copyright_id":"0x1fbe4f21ec60b87dab5e7c410b7f84d18df21980c71f4ada9cf6dbd21ff14a8c","isrc":"DGA072344308","name":"Brotan Recuerdos - En Vivo","registered_at":"2026-06-18T18:13:50Z","spotify_id":"7DkfGeWJLuWNSxJWzhMKd9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fbe4f21ec60b87dab5e7c410b7f84d18df21980c71f4ada9cf6dbd21ff14a8c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7DkfGeWJLuWNSxJWzhMKd9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7DkfGeWJLuWNSxJWzhMKd9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82220754008f8c1b367d6ab0d29be995b7660aa242bfc570759a7312e7ac8372. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4sNBqV3HWzYtVgNo3BmYBN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4sNBqV3HWzYtVgNo3BmYBN.
{"copyright_id":"0x02028a75935aaa7c1b977e9618e1c9f621e21e521a375fce333aefd52d7b50ca","isrc":"QM3DF2281043","name":"Aqui Sigo En El Terreno","registered_at":"2026-06-05T22:41:26Z","spotify_id":"2m3vyMnTJRehmMioMHwBRD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02028a75935aaa7c1b977e9618e1c9f621e21e521a375fce333aefd52d7b50ca. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2m3vyMnTJRehmMioMHwBRD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2m3vyMnTJRehmMioMHwBRD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1969b71fd27416cd669421f8e8ba39463eed01cd5152067fe261bd6b21a5d044. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:41:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/04TpibFGlH7XGN13e9vO5B.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/04TpibFGlH7XGN13e9vO5B.
{"copyright_id":"0xe76ebc24d524a2345f6ef03fd2b5e039c048029bef44450073e986991eb5c5c0","isrc":"QZQMB2100920","name":"Quién Aguanta a Quién - En Vivo","registered_at":"2026-06-04T07:36:55Z","spotify_id":"4jZaPrtswTn5XdUgNqvRtS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe76ebc24d524a2345f6ef03fd2b5e039c048029bef44450073e986991eb5c5c0. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4jZaPrtswTn5XdUgNqvRtS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4jZaPrtswTn5XdUgNqvRtS.
{"copyright_id":"0x5bf6b24f4db393ed700bdcd004773f97fcdebbc32894bb71d7af66f9f993b82a","isrc":"QZQMB2100935","name":"Moscas en la Casa - En Vivo","registered_at":"2026-06-05T11:19:10Z","spotify_id":"0v9D4tYKrH84I8fvxqJLTR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bf6b24f4db393ed700bdcd004773f97fcdebbc32894bb71d7af66f9f993b82a. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0v9D4tYKrH84I8fvxqJLTR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0v9D4tYKrH84I8fvxqJLTR.
Mi Ranchito / La Feria De Las Flores / Los Pájaros / La Vaquilla / Mi Gusto Es / Árboles De La Barranca - En Vivo
Chuy Lizarraga y Su Banda Tierra Sinaloense
{"copyright_id":"0x0936120b97d5fc8a7454c0ccc7450be4d8d9b6057bb5fe9923e97e25760dc62f","isrc":"QZQMB2100970","name":"Mi Ranchito / La Feria De Las Flores / Los Pájaros / La Vaquilla / Mi Gusto Es / Árboles De La Barranca - En Vivo","registered_at":"2026-06-04T12:11:50Z","spotify_id":"4M6DBE4zEgc0r4i3lMBXpr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0936120b97d5fc8a7454c0ccc7450be4d8d9b6057bb5fe9923e97e25760dc62f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4M6DBE4zEgc0r4i3lMBXpr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4M6DBE4zEgc0r4i3lMBXpr.
{"copyright_id":"0x22fc2aea3addd5bd010e876ddcd03185ecfa00dec092f79e9f96bec2a3644076","isrc":"QZDQH2500368","name":"Que Bonita Tu","registered_at":"2026-06-04T15:54:24Z","spotify_id":"1pWj7AQstAvKADTs3TrRs6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22fc2aea3addd5bd010e876ddcd03185ecfa00dec092f79e9f96bec2a3644076. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1pWj7AQstAvKADTs3TrRs6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1pWj7AQstAvKADTs3TrRs6.
{"copyright_id":"0xdeed84e9f1cfff2e5ef2e21e36a5b8623a8e33882fa2c60b8bade25b40e319fd","isrc":"QZDQH2444664","name":"Ya Lo Miraron Pasar","registered_at":"2026-06-05T04:31:46Z","spotify_id":"0TYJIJqQBXjkufMR1XtLE2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeed84e9f1cfff2e5ef2e21e36a5b8623a8e33882fa2c60b8bade25b40e319fd. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0TYJIJqQBXjkufMR1XtLE2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0TYJIJqQBXjkufMR1XtLE2.
{"copyright_id":"0x8cd3006be0448eb85b920bce359020dc95ba8c32c83feeeef531cc04410012ce","isrc":"QZQMB2105969","name":"Que Valga Madre","registered_at":"2026-06-18T03:15:44Z","spotify_id":"4D1BfOCwVJ41IqASHIsQmk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cd3006be0448eb85b920bce359020dc95ba8c32c83feeeef531cc04410012ce. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4D1BfOCwVJ41IqASHIsQmk.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4D1BfOCwVJ41IqASHIsQmk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7340c1e8ea389b635f27e641501917c6016f8db824a7a74dc69f47d5e408bd3. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6VklRS6AvhasPBSZ4fUJPU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6VklRS6AvhasPBSZ4fUJPU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9154ba6038c11e4a0fb41108f3b83114891adada3076d8689b683dd741937bc0. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7wqoCCzRj2A90rzL2Co69e.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7wqoCCzRj2A90rzL2Co69e.
{"copyright_id":"0x7017ba270bbe3bd04ac2d93957746036e6e482b01e76623ba4ed79fcb3818e04","isrc":"QZQAY2367072","name":"Que Bonita Chingadera","registered_at":"2026-06-10T05:23:23Z","spotify_id":"3blP6MXNK3OfQ5dILGlrim","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7017ba270bbe3bd04ac2d93957746036e6e482b01e76623ba4ed79fcb3818e04. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3blP6MXNK3OfQ5dILGlrim.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3blP6MXNK3OfQ5dILGlrim.
{"copyright_id":"0x0dc79d434ef4f9f29b8df4c248563d0d99aa879b81980936cf3eb994329ccf91","isrc":"QZDQH2425731","name":"Ya No Queria Ser Tacuache","registered_at":"2026-06-24T16:45:06Z","spotify_id":"55F85sHuKmteANyjxmiL5z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dc79d434ef4f9f29b8df4c248563d0d99aa879b81980936cf3eb994329ccf91. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/55F85sHuKmteANyjxmiL5z.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/55F85sHuKmteANyjxmiL5z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x138dbbc5c43156853f2a06b509fae8ea37f42d730ba72a65fe425f95f29fa4b3. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ALiOE20fBw7Esx3vE3mRf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ALiOE20fBw7Esx3vE3mRf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91b3c505be18b4469b3a472d7095eac0118110a5798aa3f6b2a3aa53cf13430c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ZQWSJU5MzaweB0ZK30gYO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ZQWSJU5MzaweB0ZK30gYO.