Ack Värmeland, Du Sköna

Recording by Jussi Björling.

Recording identifiers

ISRC
DEUE22333502
CopyrightID (CopyrightChains transaction hash)
0xadde0e21e0fa1b442632447b90ebc28137fad6797ba4ba3e2a3545a9f23657df
Copyright registration time
2026-07-06T18:37:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:39fd134cbca8728ab06bf8c8911e80ac4ddaa740e752f7aadc615c99fa367ff5

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.