Bye Bye Brasil

Recording by Chico Buarque.

Recording identifiers

ISRC
BRMCA0500203
CopyrightID (CopyrightChains transaction hash)
0x294747c2be5b66a301e8f7b776b4ce9d83c43a12e879b360f0a138c85bad7f7f
Copyright registration time
2026-06-05T17:11:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:7802e612d681749dcfb14b7951342af86805dbd457b6423dc42965c24e356573

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.