Maria Fumaça

Recording by Banda Black Rio.

Recording identifiers

ISRC
BRWMB9705420
CopyrightID (CopyrightChains transaction hash)
0x22df1c50c85d531f0ff62f94f5e618e254e2e01b7ca4026727ba8a287959ea13
Copyright registration time
2026-07-07T15:09:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f6e0f622844c2adb947c064bb445881223bd104cce3d9299d7d76b0f361b0f6a

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.