Kaiser-Walzer (Emperor Waltz), Op. 437

Recording by Johann Strauss II.

Recording identifiers

ISRC
SEWDL0794605
CopyrightID (CopyrightChains transaction hash)
0xb7810ec01c8995c96d86388dbc9e976d30478af232b29400f28e51e89235e972
Copyright registration time
2026-07-31T14:15:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:a0aef231628edd7d28f79226555348983de8aa58464bcb24ac7ce127e381b596

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.