Die Fledermaus: Ouvertüre

Recording by Johann Strauss II.

Recording identifiers

ISRC
USSM10308399
CopyrightID (CopyrightChains transaction hash)
0x187b6430b4eef5877c74b97a71cb91922c614cd256bfe1ea34077eac7052ea61
Copyright registration time
2026-07-06T05:08:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:55cc52858c0c8e078ec8483851c1fb2a0836b3edc6f868b36590766ef0aa29d1

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.