Hilma Og Roger

Recording by Alf Prøysen.

Recording identifiers

ISRC
NOACF9306240
CopyrightID (CopyrightChains transaction hash)
0x3823a34e73efd83bc450cb42bbd2a5b9b5bfb926745ea2b58d7a0373211a076b
Copyright registration time
2026-07-29T12:41:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T13:09:35Z
Bitcoin block
960108
Canonical record hash
sha256:8af4c5376e5b8075700de291c6b491afa3a96d530da1434e221028f3f099e94e

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.