Olav Trygg

Recording by Heimevernslaget.

Recording identifiers

ISRC
NOUM72000472
CopyrightID (CopyrightChains transaction hash)
0xed9c8fb73cd840bb2d342c14ecb214773c494f42fe1916ee591f673291e9e2a7
Copyright registration time
2026-07-30T17:54:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T18:23:33Z
Bitcoin block
960291
Canonical record hash
sha256:634e3ca1d95cc131bd5a52b603998ceed39a9cdec33c48214ef4dd3930fd5ce7

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.