Bancarrota Blues

Recording by Chico Buarque.

Recording identifiers

ISRC
BRBMG8700338
CopyrightID (CopyrightChains transaction hash)
0xf573284e1fd8e3495b0d29aec3dd29dfe14158cba314f53b4f265b10b4d6ec01
Copyright registration time
2026-06-19T12:32:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:86caaff9dff615b633897bf2a0c59e345504cd1a6a2d43320c0388126ce16c4f

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.