Bancarrota Blues - Ao Vivo

Recording by Chico Buarque.

Recording identifiers

ISRC
BXKBP2300116
CopyrightID (CopyrightChains transaction hash)
0x848d8f7db7b8fd4fcb423221e96ff543de3cf49e97edb45cdf43f82c62adb2ef
Copyright registration time
2026-06-05T08:57:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:2ed4cf1dd874931685514b7024a378657d35cf57835feccb2fd20a0c5045a949

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.