Thunder and Lightning - Polka fast, Op. 324

Recording by Johann Strauss II.

Recording identifiers

ISRC
USSJ10817439
CopyrightID (CopyrightChains transaction hash)
0xebef76e1907c6d58144c98fa30689fca59a4bede4dba945a7584f4e9fc070562
Copyright registration time
2026-06-20T03:38:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:bf58edd237cee1ca4a4432a87b645b35f3a5810fcf02f8986cab116a001f0dd2

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.