Sangen Om I Morra

Recording by Halvdan Sivertsen.

Recording identifiers

ISRC
NOPLB0402150
CopyrightID (CopyrightChains transaction hash)
0xcf80023cb5412f265850b962ef258215969f95317d5155c4b80dbe61f7377658
Copyright registration time
2026-06-26T01:50:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:6f22682772f59c33999db4dd47f3f4454fb1c5dfc675b31772a4134e67afd077

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.