Perfidia

Recording by Olavi Virta.

Recording identifiers

ISRC
FIFMF5500034
CopyrightID (CopyrightChains transaction hash)
0xf937eee70df70e0a16e203cf3ba8362be3dace7ec0f40a0f10e78a32ccf63cad
Copyright registration time
2026-07-31T00:30:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:ba5f2185a830fb23bf30c862e6e2580a0f3dd82680cdf3e2e9b8dc46236355e2

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.