Originalen

Recording by Oddvar Nygaards Kvartett.

Recording identifiers

ISRC
NOAGW1900038
CopyrightID (CopyrightChains transaction hash)
0xa3cf9d2b7f1feb2e46cd659116e1abf93226c2d8fd49cfa401a30bd00f13e7b9
Copyright registration time
2026-06-26T09:26:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:fe075e4bc2823d59d637e25e43ec8fd5062e5626b27580cffdbacfde68634529

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.