Cinza e Preto

Recording by Nasac.

Recording identifiers

ISRC
QZ5AB2148090
CopyrightID (CopyrightChains transaction hash)
0x3b27a9751ce17d60dd83c40ad83fdb11e385a9034a49fa8a6da8b1ed4da9c792
Copyright registration time
2026-06-04T12:14:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:29393f6a9e914080e73e933fbbd0420995e80b7c8e4e656270c90703947f413e

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.