Pizzicato Polka

Recording by Johann Strauss II.

Recording identifiers

ISRC
HKI199320213
CopyrightID (CopyrightChains transaction hash)
0xa74e2bb0ad97830c637c192d2a99af3dfc64b90285193a8631102c909961b8cd
Copyright registration time
2026-06-08T02:16:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:793f5f3e8e52bfde21047e8c0294ba8e4b2182e743177637c68cbcaee8f64ae2

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.