Alt Går Op I 6

Recording by Hej Matematik.

Recording identifiers

ISRC
DKBR70901504
CopyrightID (CopyrightChains transaction hash)
0xc90f697a29131906b2b4760d2298bd9e13be8fc68f068ec8cfbfcf66310a7849
Copyright registration time
2026-07-07T01:13:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:0773e10b2407321579037d59743cb3f72933554a2a3c34ecee41b8ac4e6a12a1

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.