En sång om frihet

Recording by Sven-Bertil Taube.

Recording identifiers

ISRC
SEAMF7200440
CopyrightID (CopyrightChains transaction hash)
0xa5cde58216db7e885e0a9a6d55168c4a1667f47dcf42f69e8cd56f1ef23c30b5
Copyright registration time
2026-01-28T19:00:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:9af7ae7c06b4f3e61d3476d1636b2a00d69e687aa163109d1ec7923cda218ccf

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.