Frente a Frente

Recording by Victor & Matheus.

Recording identifiers

ISRC
BR4YU1500006
CopyrightID (CopyrightChains transaction hash)
0x33e7d36013f7bf81063bfd50ceb4fe7214f6460bff88759b7129f945b48fb5de
Copyright registration time
2026-07-29T19:50:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47Z
Bitcoin block
960144
Canonical record hash
sha256:0a1508ecedff4725e7e09831837d3ff979cc224760dcbf5523d36c600b38bfba

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.