Die Fledermaus: Overture to Act I

Recording by Johann Strauss II.

Recording identifiers

ISRC
DEA808702101
CopyrightID (CopyrightChains transaction hash)
0x04bc3e09d27b891c735594579d95713162b7540ec9f4323c2acd33b0b23dd87a
Copyright registration time
2026-07-06T22:56:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c01bb2c59902c28c9e4817cb205fefb48a6b6b974b66431d98f8efd0d75ac2ac

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.