N Hans å hanan

Recording by Oddvar Nygaards Kvartett.

Recording identifiers

ISRC
NOAGW1700770
CopyrightID (CopyrightChains transaction hash)
0xd692a8fdae59eaa4474fc8f12dde26f656880891f8cc0344ef93374262b80121
Copyright registration time
2026-07-30T02:06:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T02:30:29Z
Bitcoin block
960199
Canonical record hash
sha256:cc7eec8846691e00051ecc8f944c38412c2b40fb85f4bbad0397dcf63e5e45cb

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.