Den Lystige Ungersvend

Recording by Alf Prøysen.

Recording identifiers

ISRC
NOACF9306020
CopyrightID (CopyrightChains transaction hash)
0x0a9eaa299571decee9f24d539cdb8620cf1a3fc13d30fd420a9d5e2bb5dd9365
Copyright registration time
2026-07-07T02:49:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9d9d50a46c99f70881957e6c0bb07a9433f58c3d7be01c14553dd6bdc89a9ea1

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.