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 0x8aebf56ddc4ec0d884b498dfa4bcf2507487b3cb3dcba77c997e6c33cecb7035. 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/2eb07d00-561a-4ca0-a0ba-0ca146716781.json and https://artists.proofprofile.net/proofs/artist/2eb07d00-561a-4ca0-a0ba-0ca146716781.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Não Quero Mais Saber de Chororô - Ao Vivo
Enrascada (Voltando pro Meu Ex) - Ao Vivo
De Idiota para Idiota (feat. Jonas Esticado)
{"copyright_id":"0x25bd8ac1a20664d5e0d4a255e927c4681642bff7afd2c4e737de34475b827cec","isrc":"BCTMM2100002","name":"Perdeu Babou","registered_at":"2026-06-28T22:23:42Z","spotify_id":"6U6CtQBjWkKjlJLw5FV5hJ","type":"track"}
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 0x25bd8ac1a20664d5e0d4a255e927c4681642bff7afd2c4e737de34475b827cec. 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/6U6CtQBjWkKjlJLw5FV5hJ.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/6U6CtQBjWkKjlJLw5FV5hJ.
Velha Infância / Não Vá Embora - Acústico
Mara Pavanelly Ao Vivo Em Cascavel, Pt.1
Mara Pavanelly Ao Vivo Em Cascavel, Pt.2
Obsessão ( Já São Cinco Da Manhã) - Ao Vivo
{"copyright_id":"0xfca130ead97be95e6b30e264c8a0b6f0a92c661fef400ebd7ce03c4982cc9786","isrc":"BX12K2200061","name":"Tá Combinado - Ao Vivo","registered_at":"2026-06-04T15:57:20Z","spotify_id":"1nbkBFkcVd2u4djtLYBM1a","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfca130ead97be95e6b30e264c8a0b6f0a92c661fef400ebd7ce03c4982cc9786. 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/1nbkBFkcVd2u4djtLYBM1a.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/1nbkBFkcVd2u4djtLYBM1a.
Obsessão (Já São Cinco da Manhã) - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6041083677cdd3a09d1295c4ce8933038266f773a6623110a7f8584457d24d26. 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/39omroUssjxM40dGF0QA8z.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/39omroUssjxM40dGF0QA8z.
{"copyright_id":"0x65581e5c9d1971efb2c16bf5ddd1d1192dc62ab0906a6d50399e590f0cb9651a","isrc":"BX12K2200065","name":"Vamos Falar de Amor - Ao Vivo","registered_at":"2026-06-04T12:13:59Z","spotify_id":"4uXfUcI0wPkYHxPXilwO5t","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65581e5c9d1971efb2c16bf5ddd1d1192dc62ab0906a6d50399e590f0cb9651a. 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/4uXfUcI0wPkYHxPXilwO5t.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/4uXfUcI0wPkYHxPXilwO5t.
Sacode Inesquecível - Ao Vivo em Fortaleza
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24de8d0a91b9a9778147faf0ca3f531d7bf512062194512b3334c0efb2e784d8. 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/7J2dPGaP03B4vv8gjYZ1jk.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/7J2dPGaP03B4vv8gjYZ1jk.
{"copyright_id":"0x24de8d0a91b9a9778147faf0ca3f531d7bf512062194512b3334c0efb2e784d8","isrc":"BCSUV2400980","name":"Ai Ai Amor - Ao Vivo","registered_at":"2026-06-10T04:11:20Z","spotify_id":"0DEbERcaeCfuawnBmT9NHe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24de8d0a91b9a9778147faf0ca3f531d7bf512062194512b3334c0efb2e784d8. 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/0DEbERcaeCfuawnBmT9NHe.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/0DEbERcaeCfuawnBmT9NHe.
{"copyright_id":"0x690855fcebbf61f0c028ec64f3dc265dbf80429b297787c1712c3dfc8d5fdc90","isrc":"BCM112400010","name":"Planeta de Cores (Ascolta Il Tuo Cuore)","registered_at":"2026-06-10T01:35:32Z","spotify_id":"6Y0kV6OGVOmFhY8M4fHOYj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x690855fcebbf61f0c028ec64f3dc265dbf80429b297787c1712c3dfc8d5fdc90. 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/6Y0kV6OGVOmFhY8M4fHOYj.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/6Y0kV6OGVOmFhY8M4fHOYj.
{"copyright_id":"0x690855fcebbf61f0c028ec64f3dc265dbf80429b297787c1712c3dfc8d5fdc90","isrc":"BCM112400010","name":"Planeta de Cores (Ascolta Il Tuo Cuore)","registered_at":"2026-06-10T01:35:32Z","spotify_id":"40aLI8clrXiMQYsGWxeYIz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x690855fcebbf61f0c028ec64f3dc265dbf80429b297787c1712c3dfc8d5fdc90. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/40aLI8clrXiMQYsGWxeYIz.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/40aLI8clrXiMQYsGWxeYIz.