Bancarrota Blues - 2011 Remaster

Recording by Nana Caymmi.

Recording identifiers

ISRC
BREMI1100690
CopyrightID (CopyrightChains transaction hash)
0xbd084745bb7da1e842c4c1712cd04ae2c5ca6954490222726a5749b30d225a66
Copyright registration time
2026-07-30T22:45:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:f0f2a1303ed02e4c8a62ca4b51b62ffde5e5d75ddcc956da619c4d404a063531

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.