Lukketid

Recording by Hej Matematik.

Recording identifiers

ISRC
DKBR70901512
CopyrightID (CopyrightChains transaction hash)
0x54114136bad7db49800ba6a5f5501c93b6b26d4cebb9981b9467d2eb011a8444
Copyright registration time
2026-07-07T23:10:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:76e54a6543c166230268bb9f709cb1e15aab34b755cb14859bbd2507661ac267

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.