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 0xaf7c12bee554b7bbb0966d2f5ffe8ea5c22dc3e772e34e9b187de8f18a88984b. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/29d1cdd1-a3f6-4772-b265-e4d257ce33e6.json and https://artists.proofprofile.net/proofs/artist/29d1cdd1-a3f6-4772-b265-e4d257ce33e6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Gaveta / Caçador de Corações / Pode Ir Embora
Agenda Rabiscada / Saudade Bandida / Hoje Eu Quero Te Amar
Por Amor Te Deixo Ir / Muda de Vida / Depois Que Você Matar Meu Coração
What's Up / You're Still the One / Man! I Feel Like a Woman
Alô Porteiro / Me Desculpe, Mas Eu Sou Fiel / Essas Nossas Brigas / Hoje Somos Só Metade
Frente a Frente / Pra Ter o Seu Amor / Declaração de Amor