Die Fledermaus "The Bat": Overture

Recording by Johann Strauss II.

Recording identifiers

ISRC
SEWDL0503001
CopyrightID (CopyrightChains transaction hash)
0x2731d2e81f7449dd15fe9adace111ff6710e5840d0b23c05d880abac3caa260b
Copyright registration time
2026-07-07T04:25:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5b26fed54b026dc9a0dd7fdda9ee5dc9a9a35c280bc67e9164ed919c2049e423

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.