1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20144b5e76e0c39edf56baf13e613149644054bbfa2530124b0d322596cdb021. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ed579ddd-57c9-4d86-b744-103414f0b403.json and https://artists.proofprofile.net/proofs/artist/ed579ddd-57c9-4d86-b744-103414f0b403.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Vai Encher a Cara por Aí (Poucas e Boas) [Ao Vivo]
Tem Alguém Que Te Quer / Um Novo Cara (Ao Vivo)
Deixa Ela Comigo / O Que É Que a Gente Não Faz por Amor (Ao Vivo)
A Vida Tem Dessas Coisas / Pescador de Ilusões (Acústico)
Me Diz o Que É Que Eu Faço / Sonho Louco (Acústico)
Mordida na Maçã / Não Olhe Assim (Acústico)
Live Eu Canto Cêis Bebe (Acústico) [Ao Vivo]
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82b432e65d6e77267502b272ae629757c33c722852f26ac7e4096ae6f60ef9b3. Chain 2 (Bitcoin): anchored in block 957622 (2026-07-11T22:55:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA112323930.
Medley: Mala Pronta - Duas Vezes Você - Amor Não Vai Faltar - Mil Razões para Chorar - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5aea970cc67c741b21b6eec30bd1ad956a836c6fe5d7bf8fc9e9e99c3e1fb87b. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA112582192.