Classe de '97

Recording by Chuva Negra.

Recording identifiers

ISRC
USCGH1642459
CopyrightID (CopyrightChains transaction hash)
0x0590fe6e77bc63c25a999cc9f5670a344e93551c83443d4b7f91e5eee37df81d
Copyright registration time
2026-06-25T02:01:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:ae73512d96f298286bd60e849ee583bf2ec06276e60cdefa21b42c6c6f21a0b7

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.