Jätkän lauantai

Recording by Tapio Rautavaara.

Recording identifiers

ISRC
FIFMF6402200
CopyrightID (CopyrightChains transaction hash)
0xf5db55807af242e931ff14bc39ebeb0aebe9f2daa08d4d1fa9cfb6c63ff53afc

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T04:47:22Z
Bitcoin block
960207
Canonical record hash
sha256:a57c331141d97898b35578e072c5b40763569c755888bd1bb7e9d1ebb9839a5f

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.