Die Fledermaus: Act II: Introduction: Ein Souper heut' uns winkt

Recording by Johann Strauss II.

Recording identifiers

ISRC
DEP629601260
CopyrightID (CopyrightChains transaction hash)
0x63cda1c346db316bd81852cae2db4a69673463a92aa8f02f783948878c567e8d
Copyright registration time
2026-06-24T09:48:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:f92c6e9155d4ed91e67d624d8cbc758f6fdb5ce07b851bb77d90daf82bebe970

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.