Hurra for Søndagssskolen

Recording by Ivar Skippervold.

Recording identifiers

ISRC
NOJRA1222030
CopyrightID (CopyrightChains transaction hash)
0x16406a9c5b3e167bd0617b816b502c15fb09c1a30e3326bd972ebdae61936517
Copyright registration time
2026-07-06T19:25:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ce911ae614b2640e38eefe0a9491ab041e6029a09b3ac9a0c1046c8a54264d18

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.