Die Fledermaus Overture

Recording by Johann Strauss II.

Recording identifiers

ISRC
USSM10000284
CopyrightID (CopyrightChains transaction hash)
0xc022d485a91e7820092c79522652c088ed985344ec5f7a6cc30096033f82661f
Copyright registration time
2026-07-07T12:52:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b2dcdae4d4186e1b502d5aaa01c1c6c3ea0c1227e6e2f8a320f02ea4afa0d7f4

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.