Quarto de Fumaças

Recording by Primeira Classe.

Recording identifiers

ISRC
USLZJ1661590
CopyrightID (CopyrightChains transaction hash)
0xd00bf07481da08dfd04a3ee3ff6b3e7163e1d32c5d578af8437b54f6bdfd57ae
Copyright registration time
2026-07-07T09:51:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7ecf51a9c6ec6b8f962f166868e4e26d5075032466ccc751f16bbc3ca2b2d28a

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.