Liechtensteiner Polka

Recording by Die Westfälischen Nachtigallen.

Recording identifiers

ISRC
DEU241018403
CopyrightID (CopyrightChains transaction hash)
0x17f37eb8407d80d40b195e362be9c9601c0aaa05d682065234044f5a6375462b
Copyright registration time
2026-08-01T01:50:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T02:22:04Z
Bitcoin block
960497
Canonical record hash
sha256:8a5cfaef20338c1db6f6106337d35df2b0915643cf1fbc5f94225738c85c3085

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.