Perpetuum Mobile, Op. 257

Recording by Johann Strauss II.

Recording identifiers

ISRC
US5541304644
CopyrightID (CopyrightChains transaction hash)
0x1bbc8edf6a79150958aec22e984b75e4e79a9c6d26ff8c1940f936b476832136
Copyright registration time
2026-06-26T19:28:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:03687a174d67af8c2a14fa88bff80845195d7a9b347d07d42dd54b1bcbbf5c0c

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.