Jon Andreas visa

Recording by Siw Malmkvist.

Recording identifiers

ISRC
SEPQD6821480
Release date of the album this recording appears on
1955
CopyrightID (CopyrightChains transaction hash)
0x32627067655dd7e4d01cbf32131b9f9be6020c66baa77ce4f0115476880473d2
Copyright registration time
2026-03-20T05:06:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:b09d6a1bc22970558fbbdbf73c2e4ebc8566a40034aeba93242675f3c453d9be

What this proof establishes

This recording was released in 1955, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.