Forró das Duas

Recording by Matheus Brant.

Recording identifiers

ISRC
BR6MT2400020
CopyrightID (CopyrightChains transaction hash)
0x02acaa59a3b32af69c6733805841a1d32fa82fd42a8f0b8b5a9fc728ec102da6
Copyright registration time
2026-07-31T23:01:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38Z
Bitcoin block
960478
Canonical record hash
sha256:989ca9701c7d3e7accb924f475f88c4a2509d0fe27927d44a43188439f5e2236

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.