Du & Jeg

Recording by Hej Matematik.

Recording identifiers

ISRC
DKBR70800102
CopyrightID (CopyrightChains transaction hash)
0xe586837df7d79decba73486daa98f93c747755357f1844cf2bfda9277a2a34d5
Copyright registration time
2026-06-18T23:14:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:e7311e49c46cc2bd757ebc64867893c1f079d41423d166d85c405816314e432f

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.