Säkkijärven polkka

Recording by Viljo Vesterinen.

Recording identifiers

ISRC
FIFPS3900001
CopyrightID (CopyrightChains transaction hash)
0xe79b4c60c81ee88ac9cc60055e72829ad38e7427d26aba13ceebeac7966022ff
Copyright registration time
2026-06-20T14:24:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:131db84d01cf9be05465bf6fa91b7dc0f21225d3495535abbd8d36c42400ad04

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.