Valzer dell'imperatore, Op. 437

Recording by Johann Strauss II.

Recording identifiers

ISRC
IT0151400024
CopyrightID (CopyrightChains transaction hash)
0x73d53b7f615bbb13ec1c187498879bfa4e0035e08977bcd5d3daaa819b9eb1d6
Copyright registration time
2026-06-21T05:02:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:036a516693a47405bd6ff8504ba82f1f43f151b705c3beff1977207e788f3bc4

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.