Mal Nenhum

Recording by Cazuza.

Recording identifiers

ISRC
BRRGE8500022
CopyrightID (CopyrightChains transaction hash)
0x68fc83c227d2db98ee635b6479270a931026dbb1ba8835d9b13310e4b7f93253
Copyright registration time
2026-07-22T04:56:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T06:33:30Z
Bitcoin block
959105
Canonical record hash
sha256:a1cd58ec9e59874ca145fc8b1de9035c7517a669d083a47948db8a611b6512a4

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.