Die Fledermaus: Overture

Recording by Johann Strauss II.

Recording identifiers

ISRC
GBAYD9000561
CopyrightID (CopyrightChains transaction hash)
0x35d00d4e673929348b02ad933a2ce59c4386213ccaabbff89054162d6d491eb8
Copyright registration time
2026-06-05T16:23:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:a55a0a425aa3f21751e5db8d9fb7ba27202db2a8cf7e61c40a51a661df7ac392

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.