Preta Pretinha

Recording by Letrux.

Recording identifiers

ISRC
BRRGE2009638
CopyrightID (CopyrightChains transaction hash)
0xc0865eb53af6512bf21a46c73bdc4ffda4cb13c90c35669d46e683109a5f1748
Copyright registration time
2026-06-25T07:48:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:3486c2dbedb8c69c80af45d7fd4e3727459501d33f45df1d474a5683d5e30158

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.