Nordafør Vårvise

Recording by Halvdan Sivertsen.

Recording identifiers

ISRC
NOBBZ0501020
CopyrightID (CopyrightChains transaction hash)
0x1d719bb90528da176106fce3c403385f305bfe728e626458dcfff8141102f8ac
Copyright registration time
2026-06-09T11:24:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:98c86b2f9fe6c4cf56caa4c03e7849075d23fe352df124d299159cc2e30fc891

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.