Det er juletid (reprise)

Recording by Martin Brygmann.

Recording identifiers

ISRC
USWD11783614
CopyrightID (CopyrightChains transaction hash)
0x03d9e8698007cf3f5501b99c34f1e538c639f437f844e149e9fb3cd2908d59be
Copyright registration time
2026-07-07T07:05:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9abcb41532c16493056dc76847a59795ee6fe86b63a128398879156a22565f53

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.