Proppens Vise

Recording by Alf Prøysen.

Recording identifiers

ISRC
NOFKF9307250
CopyrightID (CopyrightChains transaction hash)
0x2fe4668b0125cdb110ec0d7c800649d9936fd44ed94f871c26cc317b3641ab2f
Copyright registration time
2026-07-07T12:56:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:826b29bc60a9e4be8f522a005d5d6557c99df6e77a63bfe65903a66b77749b26

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.