Hej Maria (Luk Vinduet Op)

Recording by Bifrost.

Recording identifiers

ISRC
DKAXK9771407
CopyrightID (CopyrightChains transaction hash)
0x174a27a3905102cbd06d9e02711670c77af2ededbf6b8367c2151bee469054c4
Copyright registration time
2026-06-07T23:14:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:c7228768768a387e0ba2ac4e13b86c5fa2c9a131843f3d3289da12db90c08a71

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.