Mal Necessário - Ao Vivo

Recording by Luíza & Maurílio.

Recording identifiers

ISRC
BRWNV1700157
CopyrightID (CopyrightChains transaction hash)
0x41a944aba01db3a5481d5736775b4462d49127320a2bac974a650f3df9c2bfcf
Copyright registration time
2026-06-10T04:11:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:c6fe0955036cf33abadd08cc183c9118a14f0e2eef792ccdf9f71860d5bce023

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.