Bye Bye Brasil

Recording by Chico Buarque.

Recording identifiers

ISRC
BRMCA0500700
CopyrightID (CopyrightChains transaction hash)
0xb988ea2d16c38197e05fd5aa7a12001a17cb591340b2daf02dee26229301f5dc
Copyright registration time
2026-06-27T05:21:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:df8019bb1f08ee1ff97451a112fd32fdceab6f8c548dfd155430825f97be0929

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.