Halvpolska efter Donna-Lee

Recording by Jan Lundgren.

Recording identifiers

ISRC
SEVOZ1154605
CopyrightID (CopyrightChains transaction hash)
0x1a84c869b2593f55c42dbae432fc57ff8c201119b613eeed5b797a289dd53dc2
Copyright registration time
2026-01-28T22:30:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:ec4c6844abed04ba8a7ea5eb530d72b083407e72a5e6cf6322cfbc2d479f2fdc

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.