The Prodigal Son Suite: VI. Polka from Roslagen

Recording by Hugo Alfvén.

Recording identifiers

ISRC
HKI199952605
Release date of the album this recording appears on
1997
CopyrightID (CopyrightChains transaction hash)
0x3319147359f9f1d94c54225f8847c505118631fbd98554246eb0cbffb1094fce
Copyright registration time
2026-01-28T20:00:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:0ece1fb8585777bbf46ff8540d3b8b8ef690f0aea44b30610b779825a879956b

What this proof establishes

This recording was released in 1997, 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.