Bergakungen, Op. 37: IV. Vallflickans dans

Recording by Hugo Alfvén.

Recording identifiers

ISRC
HKI199952609
CopyrightID (CopyrightChains transaction hash)
0xa2ef8b7616920cb15fb6fc1614fc7912dde6b65cdec5b94eda74827995d65379
Copyright registration time
2026-03-20T05:16:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:3d49fb6b67f48e928eace22d2a861125a7071261e5aba3dd1d83e5f41ce9c73f

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.