João De Barro

Recording by Brazao & Brazaozinho.

Recording identifiers

ISRC
BRBMG9000908
CopyrightID (CopyrightChains transaction hash)
0x02d6fbd805612738223a32cbbc5bb2cf51adb0eb45b249974f017a5f64a4ee05
Copyright registration time
2026-07-31T17:59:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:0341b393b54020bc42ebd51fd84e5a3487fbcd07220370a88278d288256fc209

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.