Kaksi vanhaa tukkijätkää

Recording by Kauko Käyhkö.

Recording identifiers

ISRC
FIFMF5100300
CopyrightID (CopyrightChains transaction hash)
0x21d674ef0fd38e83ae9af7ca2f262a2cd0dc9942b692038f3294c48b09caa8af
Copyright registration time
2026-06-23T16:22:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3ce5a148480c857027f8e189bc5196c0f7caf4a2694a0c6a239b9b11978c8944

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.