Den lycklige nudisten (Nudistpolka)

Recording by Ola Persson.

Recording identifiers

ISRC
HKI191336108
CopyrightID (CopyrightChains transaction hash)
0xeb593d04e4aa44c5d01bd9753206b6ddedfa3876887b8ef104c68f3c3bb117e6
Copyright registration time
2026-07-07T11:22:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4252367349ff4cd30958f749b996796720146be6740e632c879d9362c816cb5b

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.