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 0x88ced664313b77c9eddd8a5a4a739100869a1d741d05ccbdc98204f043454265. 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/3b91adf4-5141-472a-9213-cbfc05cc7208.json and https://artists.proofprofile.net/proofs/artist/3b91adf4-5141-472a-9213-cbfc05cc7208.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Amanda Coronha (Ao Vivo no Estúdio MangoLab)
Quarto de Mentiras - Ao Vivo no Estúdio MangoLab
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 0xc72cb75f2373265afe4d01b624291e7d0a76520c8c2f265b4d90f95c55f96dbc. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7B4g5uSbFxKUrIqbxbvFZN.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/7B4g5uSbFxKUrIqbxbvFZN.
{"copyright_id":"0x7c76f1180f7654ee0024429bc5bcfab3d621663ff853a4e8ec6af09c55dcf0d9","isrc":"BKTT72300046","name":"mapa da mina","registered_at":"2026-06-07T13:32:06Z","spotify_id":"5FJHgBu1z2ou3xRqwtCbzq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c76f1180f7654ee0024429bc5bcfab3d621663ff853a4e8ec6af09c55dcf0d9. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5FJHgBu1z2ou3xRqwtCbzq.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/5FJHgBu1z2ou3xRqwtCbzq.
{"copyright_id":"0xe0bdd032aa1bbf5bf2cd99e34a1473d2501ada448648b7b7e3bc49c9030f7e7d","isrc":"BKTT72400005","name":"Quem Mora Lá","registered_at":"2026-06-29T13:47:42Z","spotify_id":"2asdVuPfwffK4MPH1ufMZe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0bdd032aa1bbf5bf2cd99e34a1473d2501ada448648b7b7e3bc49c9030f7e7d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2asdVuPfwffK4MPH1ufMZe.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/2asdVuPfwffK4MPH1ufMZe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37f6380bb9d8f544993218b6599acb5fc0a8c60e6429d3dbaf6f3478e9f2e859. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5msM5qpDYGHVN6SfSyS7Zy.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/5msM5qpDYGHVN6SfSyS7Zy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dfa3915af63a37931247ae906392e0d04a0809f0cfc4754272a200b7ee24c3e. 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/2hMr8zJERl3XsmUurGBO6m.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/2hMr8zJERl3XsmUurGBO6m.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76615d0b2aa9b1d1196c3a63a9345e7b63be2671faa4b10e8ae89b508cf2e67e. 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/5V6czt9TCOEICFBhqAfHUO.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/5V6czt9TCOEICFBhqAfHUO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68ef3d7c3f68edad0ce68e6326e877d1fe8e2c0777e89ef1e788674566bb193b. 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/3NuofZAD79kDZ1M6esVphT.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/3NuofZAD79kDZ1M6esVphT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cb4e467015b4f2295a9a6f3dfa67416386292fe82e4bf05dd0384611d288515. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3muxYX08cvXBVC3gusHKLr.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/3muxYX08cvXBVC3gusHKLr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f5e3ddc2f01c064db892950f7bd33731ec9622ffe3a0454920355401426089c. 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/1a1s1uWuhPuxlc6lLf6ahs.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/1a1s1uWuhPuxlc6lLf6ahs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc72cb75f2373265afe4d01b624291e7d0a76520c8c2f265b4d90f95c55f96dbc. 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/00JvBAMUmW6nJ6afo8Lurb.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/00JvBAMUmW6nJ6afo8Lurb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c76f1180f7654ee0024429bc5bcfab3d621663ff853a4e8ec6af09c55dcf0d9. 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/5iZqUMQIPJG3rajWs3NG09.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/5iZqUMQIPJG3rajWs3NG09.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55bede32f0439a508cb17a35168904206596d08d7c596c0fe9a42026c0009bbb. 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/7MPQC8eGuiBND8d0x5Tdnw.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/7MPQC8eGuiBND8d0x5Tdnw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37f6380bb9d8f544993218b6599acb5fc0a8c60e6429d3dbaf6f3478e9f2e859. 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/61Gh41ldJvpE9O2Pjyo7RD.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/61Gh41ldJvpE9O2Pjyo7RD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3c0f5e243761a72e97680cac538b209c7c9e9a5deac150b0d4384f2d1a2362f. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6LzoMmZ5f91Sg5sJ8leU8K.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/6LzoMmZ5f91Sg5sJ8leU8K.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3401d15825123718072da251161c525cd2d288693934cdf9e444d547d4372234. 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/6Rld6hWTDIz74PjuUgoCqx.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/6Rld6hWTDIz74PjuUgoCqx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f987344dbe28d9263fc9a286466b9d9de63501deb4f5a27ceb2cb57aac8f251. 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/3kNGgKnauykP16lN1c7NGA.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/3kNGgKnauykP16lN1c7NGA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21799c454b7cff923059f87a326f509cf0e51f846a7efd4729d7c3214e068f26. 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/44eQaASOWDhuguYp0041PV.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/44eQaASOWDhuguYp0041PV.
{"copyright_id":"0xf1d169670cfabc84332dce5ef6aa95351367456ef4da3e97d17530e31cd80562","isrc":"QZNJV2384210","name":"Beijo da Inspiração","registered_at":"2026-06-24T06:16:43Z","spotify_id":"2YmA6i3pFdhBMBQrNgn7wJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1d169670cfabc84332dce5ef6aa95351367456ef4da3e97d17530e31cd80562. 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/2YmA6i3pFdhBMBQrNgn7wJ.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/2YmA6i3pFdhBMBQrNgn7wJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40a6ce7c22d1a3dc029d7b328b5a579d19c17351c5e4c71db4cfec66969ece5f. 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/14OtmNhBd34Ro3oLLA9Mjr.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/14OtmNhBd34Ro3oLLA9Mjr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x592c96262bb65458090919e2d7901d39a71f98d96611f9953033bbce40291afc. 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/1J6cf7IaioJe6RA4uHsOH7.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/1J6cf7IaioJe6RA4uHsOH7.