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 0x6959dd93f6f868bc099323893457f1cc372114ea9cc07c62eee127ae5e0ffc89. 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/aa284387-0ae0-41db-ae77-80c3bd9371da.json and https://artists.proofprofile.net/proofs/artist/aa284387-0ae0-41db-ae77-80c3bd9371da.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 0x1b5a0fc83d70a06fc428115fa9c75d8afda1893b900a76e28c22ff299e5f72b6. 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/7uHcEkiRrmcK9H89x5gsEX.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/7uHcEkiRrmcK9H89x5gsEX.
{"copyright_id":"0xdac3cd077665c518e3987fb3fe4df6a2e5b54f69416d04a3d06afaf8c4e887ef","isrc":"BC3PG2330976","name":"Vilão É Vilão","registered_at":"2026-06-07T07:36:00Z","spotify_id":"5EEdu9rZVkB1Fh8v0Ro0oD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdac3cd077665c518e3987fb3fe4df6a2e5b54f69416d04a3d06afaf8c4e887ef. 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/5EEdu9rZVkB1Fh8v0Ro0oD.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/5EEdu9rZVkB1Fh8v0Ro0oD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63fafe3b8f59bcb63f130109444e080437bc212a5940b118aa70ccbd04425f4c. 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/5EnaLSR5SdzVy8X2DoK93N.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/5EnaLSR5SdzVy8X2DoK93N.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x054a3035779ecf299265e247ca203b55d3aac32920c6616eacaa0c28954f59a0. 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/6CVqDpr86oqnUypiMfN0sB.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/6CVqDpr86oqnUypiMfN0sB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6203e7d1ba6a13aa38117d07738657a5e8dfb8a285a7f47252f768ebf8362b8. 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/0T4ApyGrAvL59D6cW87ene.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/0T4ApyGrAvL59D6cW87ene.
{"copyright_id":"0x854711fde52ad390f4ca672b015ab08c3be9f1ced43c65a2cfec102c8c45a97f","isrc":"BC3PG2304463","name":"Uma Ligação","registered_at":"2026-06-06T17:29:16Z","spotify_id":"3uk9dxTATXowcbpKJ2DIdh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x854711fde52ad390f4ca672b015ab08c3be9f1ced43c65a2cfec102c8c45a97f. 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/3uk9dxTATXowcbpKJ2DIdh.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/3uk9dxTATXowcbpKJ2DIdh.
{"copyright_id":"0xb229a0653191b755f736b3111effc613cff46dddeaa53cedd84fc34359c484f7","isrc":"QZW9N2233831","name":"Medley dos Revoltados","registered_at":"2026-06-06T04:42:22Z","spotify_id":"08vEDBXD4DM26zkHSuVoJ2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb229a0653191b755f736b3111effc613cff46dddeaa53cedd84fc34359c484f7. 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/08vEDBXD4DM26zkHSuVoJ2.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/08vEDBXD4DM26zkHSuVoJ2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x350f175c3b52776697ace2688791f44001413e12a7162eeb2549b26990c92a11. 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/457rQheaATbOBJub483qOq.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/457rQheaATbOBJub483qOq.
{"copyright_id":"0x4fa21999eb05e2e8f95810df896cbd22cfc7ae1407b3456abf915200eb2154df","isrc":"BC3PG2501669","name":"Medley Exclusividade","registered_at":"2026-06-20T18:57:09Z","spotify_id":"0Ljtbz5xOeBTjktXAZMRRf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fa21999eb05e2e8f95810df896cbd22cfc7ae1407b3456abf915200eb2154df. 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/0Ljtbz5xOeBTjktXAZMRRf.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/0Ljtbz5xOeBTjktXAZMRRf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31159f82a51e73993dac5b22103f8fdc6ff71487aa2b2d7f5b22f481409941e9. 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/1tr8p6pZbYicr1mTYaDzja.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/1tr8p6pZbYicr1mTYaDzja.
{"copyright_id":"0xcad530d772853c371278003cbb6ab14e964b99b0d3a8497be52eff33b1eceb1b","isrc":"BC3PG2500581","name":"Off pra Romance, Madrugada É o Luar","registered_at":"2026-06-10T00:29:31Z","spotify_id":"2vtUO6R6ETm3E44hkkcExf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcad530d772853c371278003cbb6ab14e964b99b0d3a8497be52eff33b1eceb1b. 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/2vtUO6R6ETm3E44hkkcExf.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/2vtUO6R6ETm3E44hkkcExf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2400b458102eab74571f87f00758bb14c848004edf08daa89babed89495f023d. 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/5jM6MbTG1wTyrKoXXCAimN.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/5jM6MbTG1wTyrKoXXCAimN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7daff1a2462f70689610789b7d1e57cb9a0398b4efebd4dbb4e86c91888f4450. 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/6lcgMkdy6k7boIpYzLKk37.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/6lcgMkdy6k7boIpYzLKk37.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99e28b8b72f997116f54ec1b2e32c4a1640d1ac4a10eb00cdff597cafc17aba7. 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/1ENni4PJQk9RZ3EWgnCcZu.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/1ENni4PJQk9RZ3EWgnCcZu.
So Sequencia Nessa Puta Rajada de Parafal
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7a490c11da919a89604907c95c4ef419d986911a02c97a0fc57476febc60cd4. 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/682xlbLtS2hGHsV4cQsk2n.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/682xlbLtS2hGHsV4cQsk2n.