Die Fledermaus: Overture

Recording by Johann Strauss II.

Recording identifiers

ISRC
GBAYD0300226
CopyrightID (CopyrightChains transaction hash)
0xee735cdde6660f64454b5a45737b5708bde63c8b1e83930c079b2e4adaa55e1b
Copyright registration time
2026-07-07T07:44:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:eacdde11b6b6f8f9d0fd865d5115fbb939885d6a67f16158cd997d3caee31cd3

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.