Regra Três

Recording by So Preto Sem Preconceito.

Recording identifiers

ISRC
BRUM71704629
CopyrightID (CopyrightChains transaction hash)
0x3fcd0d3e0eb78127cc2363d734a5f0061b75bd24b04acedce82de2be4d79ac24
Copyright registration time
2026-07-06T08:43:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:04:01Z
Bitcoin block
957046
Canonical record hash
sha256:f6695ec15f4955c4e5a5ac11958f2998e95637ac0bf80e86624451d22ab53780

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.