Den förlorade sonen Suite: VI. Polka

Recording by Hugo Alfvén.

Recording identifiers

ISRC
SEBAA1400813
CopyrightID (CopyrightChains transaction hash)
0x2b08beba2cb8d52656aa691588e8c1415169a9f99d64937f75ca448aac3ff9b9
Copyright registration time
2026-01-28T17:59:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:9d07111a20f713225e2b070f990ee8ee0147a5a2b8262083ecfb9eab82008326

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.