Perfidia

Recording by Eero ja Jussi & The Boys.

Recording identifiers

ISRC
FIFMF1224845
CopyrightID (CopyrightChains transaction hash)
0x5603503a4e1f75006f81fc83720bab123581b03ecf5ca8c22a421383ce207328
Copyright registration time
2026-07-08T00:10:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:75af63bf7028efe3dabb6dfa6435edc0691a12ebd50e4db6cffae59a95b8153f

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.