Lycklige Henriks polka

Recording by Thore Skogman.

Recording identifiers

ISRC
SEBGE0700003
CopyrightID (CopyrightChains transaction hash)
0x4c3e997543c12f59f7243edfbd496d94b8fa2c71e3ed728970ce3bf27d7a370d
Copyright registration time
2026-07-07T00:32:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8a06541254367da964705e30f56648a89a0688282ce90448472e4b07b8562e77

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.