Die Fledermaus: Waltz

Recording by Johann Strauss II.

Recording identifiers

ISRC
CH6630753710
CopyrightID (CopyrightChains transaction hash)
0x279e075d18c11b3fc32d54deab08850e7932dd35bb9e5b24a342b041a3be3bbd
Copyright registration time
2026-06-20T22:38:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:08ad8bdeff1ab9f0c0a5f36fc33f3ca9e9b8443e5dd1ccae80435ec03e308b50

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.