Frente a Frente - Ao Vivo

Recording by Matogrosso & Mathias.

Recording identifiers

ISRC
BR03D1400427
CopyrightID (CopyrightChains transaction hash)
0x30633f8448779a349077deb97ebee541d198117711b20b524610a6e7988e29a0
Copyright registration time
2026-06-04T06:57:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:b72a2c1ecbe8cc35f86bbae462b72d63679f27fb69285084ce9828961c10c5b9

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.