Ack Värmeland, du sköna

Recording by Jussi Björling.

Recording identifiers

ISRC
DEXO52462817
CopyrightID (CopyrightChains transaction hash)
0xec234f94c9c23cdfa514cab1df077f7abbf089f1a1a70c87a0bec51471392dac
Copyright registration time
2026-06-21T04:49:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:9884a658e3affe007a5f50e7b057c32f39cb948eeed1496bd4ba12fe29766b93

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.