Lillebrors Vise

Recording by Alf Prøysen.

Recording identifiers

ISRC
NOFKF9306020
CopyrightID (CopyrightChains transaction hash)
0x66271fc1068d8e2321f1ddcf041733d4d5b982f7f18a95fabc09e247f0bcc05e
Copyright registration time
2026-06-09T01:15:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:ed1516f6e216e84aaf899de4b30bf2692046e3e2f9eea65779e98d365923f5dc

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.