Muro em Branco

Recording by Francisco, el Hombre.

Recording identifiers

ISRC
BRQ8A1600013
CopyrightID (CopyrightChains transaction hash)
0xe460e3d440c1a48b34544e724564bd95ef1801beeb4de934e2cb140f2330a21a
Copyright registration time
2026-06-20T23:11:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:1cf300a12361bfaba8a816d0cc030c4a64f88baecce166924acac935954620cd

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.