Die Fledermaus: Overture

Recording by Johann Strauss II.

Recording identifiers

ISRC
QM3DF2416550
CopyrightID (CopyrightChains transaction hash)
0x0255bb3b146192bf4992fb95e9988b50712de0db4923def6a5befabf0fce791d
Copyright registration time
2026-06-04T13:36:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:869f88963be249b3c9c329b764eef293fb14098c672758c938d5fa00379aa17f

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.