Underlig frihet

Recording by Sigvart Dagsland.

Recording identifiers

ISRC
NOAFC0405040
CopyrightID (CopyrightChains transaction hash)
0xd904b2d1371828d72793d3f9192d9db329d086a43466f43b0058c74687ba4263
Copyright registration time
2026-07-29T21:15:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:51:49Z
Bitcoin block
960150
Canonical record hash
sha256:8987487b2e12819a3e14c42f1f0d4effdabd78939f6365a4549c5899577e4907

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.