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 0x43d27f41b871b42e7a9cf7e26f4058aaf4e6b821fd05d528241476893b82f858. 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/ce9db0f4-ea59-4f15-af5b-37ba8e49215f.json and https://artists.proofprofile.net/proofs/artist/ce9db0f4-ea59-4f15-af5b-37ba8e49215f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Tapa No Vento e Nas Piranhas É Tudo Dentro
Foi Naquele Bailão do Mal Piranha Maluca
Fica de Copão na Mão Sempre a Mesma Coisa
Vamo Comer Piranha Isso Que nos Interessa
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 0x4218b2736514f7c1eb43c82f46bf60a0a3bee55368a6e41665cedac941a5fdba. 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/4IOen1DWcoGO6Psd6paB9g.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/4IOen1DWcoGO6Psd6paB9g.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0de92b5a4efca6ace64ec24b621e9ef8e2f75d5825ca009550edcf3f08a7c42d. 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/5rLHvNvIXVtdsSXhuB5Ugh.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/5rLHvNvIXVtdsSXhuB5Ugh.
{"copyright_id":"0x587803ee19d7edf71ba38b68ba80cbf68eebbf31006bca03075945aba0a062d6","isrc":"CAENV2450594","name":"Deixa Ela Jogar","registered_at":"2026-06-07T07:30:49Z","spotify_id":"3aLUY8anzDm5IAeVfkfG8W","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x587803ee19d7edf71ba38b68ba80cbf68eebbf31006bca03075945aba0a062d6. 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/3aLUY8anzDm5IAeVfkfG8W.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/3aLUY8anzDm5IAeVfkfG8W.
{"copyright_id":"0x686d2afc42712575c31bb6e2594bf0b6991bf6230b2a1cdf0ddcc2e80feaf181","isrc":"BCIH82100661","name":"Ai Não Machuca","registered_at":"2026-06-05T16:50:28Z","spotify_id":"2vMPzcxWiMHJjnmV4qLxMM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x686d2afc42712575c31bb6e2594bf0b6991bf6230b2a1cdf0ddcc2e80feaf181. 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/2vMPzcxWiMHJjnmV4qLxMM.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/2vMPzcxWiMHJjnmV4qLxMM.
{"copyright_id":"0xfca9616e49195a8c3b5110aa3d7de65ea08d66b7a1649081e37c2f8d9814238e","isrc":"BCIH82200930","name":"La na Frente Nois Conversa","registered_at":"2026-06-19T11:28:44Z","spotify_id":"7rNRyFPSIf3nZ8JHAEkYAG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfca9616e49195a8c3b5110aa3d7de65ea08d66b7a1649081e37c2f8d9814238e. 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/7rNRyFPSIf3nZ8JHAEkYAG.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/7rNRyFPSIf3nZ8JHAEkYAG.