Labbetruten

Recording by Alf Prøysen.

Recording identifiers

ISRC
NOFKF9307240
CopyrightID (CopyrightChains transaction hash)
0x5912deac2ea0e6f35582d04579b127037b8231b51cb950d3734fd6e325abcfc9
Copyright registration time
2026-07-07T05:11:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b569df370174d583fa4d3e36de7b96f82b35e67b369ccf7b4be0a7cc9cc1d2b8

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.