Ievan Polkka

Recording by Traditional.

Recording identifiers

ISRC
CH6541788923
CopyrightID (CopyrightChains transaction hash)
0x6775c87cd31fa5bbc763758ac8f048569df749f4ad5d26a723fd37cf8392fe21
Copyright registration time
2026-06-06T17:38:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:14ced14440805e7f2116f78e8761f93c3abb3b92d8e4c2a801d4b3d933115cfc

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.