Pergunta Sem Resposta

Recording by César Menotti & Fabiano.

Recording identifiers

ISRC
BRX5L1700099
CopyrightID (CopyrightChains transaction hash)
0x8d9a134fac05d1228e8398b7c3312bb290c0a68a1aa77e90e0c6df66e260cfaa
Copyright registration time
2026-07-06T07:51:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:26fd824c945582cdf130122d6e1650ad57d0abbd95534e75d34ce45a78b815d4

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.