Episode, Op. 296: Polka française

Recording by Johann Strauss II.

Recording identifiers

ISRC
FRZ299502060
CopyrightID (CopyrightChains transaction hash)
0xa76757d42a4c7e0f6d0085ddc950af3f70e2e3620447e575c75d938012881397
Copyright registration time
2026-07-06T07:13:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-13T07:53:33Z
Bitcoin block
957819
Canonical record hash
sha256:10f4f9964944283f58385c7972da39e74038da6e76e018772dbe1f7bce4c369f

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.