Sång till friheten

Recording by Björn Afzelius.

Recording identifiers

ISRC
SEPQB8250064
CopyrightID (CopyrightChains transaction hash)
0x1f4c408eacfedaefddfb1a5fc37299d3664ed226b9731f4b8ca1c1cae903a9b7
Copyright registration time
2026-01-28T20:55:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:158b595e363e35ccfebf22878206f73065ce912000b0ab7ed22f73a0bb5bf9c5

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.