Bye Bye Brasil

Recording by Chico Buarque.

Recording identifiers

ISRC
BRUM71200884
CopyrightID (CopyrightChains transaction hash)
0x7bd3857af202dc0e16781cfcd177af5b376c201c17ffb56ba0f3d7009ff56a68
Copyright registration time
2026-06-17T23:27:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a48437fe918bca51ff646b1d3f7491c88a2826786826c72eccee8d2358d0e3f9

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.