Um violeiro toca

Recording by Leandro & Leonardo.

Recording identifiers

ISRC
BRWMB9704660
CopyrightID (CopyrightChains transaction hash)
0x076d5cd5e1854e02bdfbf9225bc99bf7a013773359b20206de506c714853f6e7
Copyright registration time
2026-06-06T15:36:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:6df7bcce3ea364aadf629ab97a8235dd511522a2d9c631ead5e1d278864baa57

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.