Die Fledermaus: Quadrille

Recording by Johann Strauss II.

Recording identifiers

ISRC
HKI199320215
CopyrightID (CopyrightChains transaction hash)
0x97bc880b5ce55b69da508497e1d2a6a1cbab76de70b97d9039992c2113d30c1a
Copyright registration time
2026-07-07T06:47:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:59ead746da784813fb06c7bf6bad4cee74cd0081f88ce9539fc53b906ccfd4bc

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.