Klaus Jørgen

Recording by Grethe Sønck.

Recording identifiers

ISRC
DKNA21705920
CopyrightID (CopyrightChains transaction hash)
0xf74f7c74b0c93e85cc2b5d9efe7103e2a23f688511a8b3d2d9e74c1d01b78579
Copyright registration time
2026-07-31T13:52:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:45815c732e4363c4c6a879f41649dbdbfae5bc4d5b26750278a93302f589b43a

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.