Han ku' ikke li' jazz

Recording by Ib Grønbech.

Recording identifiers

ISRC
DKABA1200226
CopyrightID (CopyrightChains transaction hash)
0xcd08f3aa04afcc7a331b4a337db9e18bcf1a04c774715ba128277fd3deb0c09e
Copyright registration time
2026-07-07T03:11:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:68071f87a77c025eb620f8921c0a9145015ed7457d040fd7890e41135dc92ed3

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.