Frente a Frente - Ao Vivo

Recording by Matogrosso & Mathias.

Recording identifiers

ISRC
US7VG1500516
CopyrightID (CopyrightChains transaction hash)
0x20c5241323305ac6f3d5448d1e1928ca3e111bfaa6a811b87beb6c1b3914df35
Copyright registration time
2026-06-04T11:08:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:71b507ee2af8b4a3233caa8fa7f198dae83a5176850244738990511cce59bbfb

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.