Frihedskæmperen

Recording by Bifrost.

Recording identifiers

ISRC
DKAXG0400098
Release date of the album this recording appears on
1976-01-29
CopyrightID (CopyrightChains transaction hash)
0x9bad7cbbe11a8bbfb2b23046640791ee6b8ab972a491ada8ce12353b63f577ef
Copyright registration time
2026-07-30T14:23:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:44:50Z
Bitcoin block
960266
Canonical record hash
sha256:f0f00e9ae945081de722800410ee18f929d03c54cf78d80a226337b906fef5c0

What this proof establishes

This recording was released in 1976, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.