Hu Martina Mo

Recording by Alf Prøysen.

Recording identifiers

ISRC
NOACF9305200
CopyrightID (CopyrightChains transaction hash)
0xf7eb9996bb08f7e9a94b3f440bc78ba6e864aaea23d27562ee3446b57fac6bf9
Copyright registration time
2026-07-06T20:22:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:87f6367c283509d92789ee2e43e899b0086869da1fc909bf8562468c0a195ac7

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.