Löylymiesten polkka

Recording by Reino Helismaa.

Recording identifiers

ISRC
FIWMA0300137
CopyrightID (CopyrightChains transaction hash)
0x8b792e6cb31065d5b5a988da627259f204d80213095b3a9e107b9221e12aa795
Copyright registration time
2026-07-07T06:59:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:88d86fbd6d807a98b901fcb31266414218d38340d7403188ec1fe7a212960266

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.