Emperor Waltz, Op. 437

Recording by Johann Strauss II.

Recording identifiers

ISRC
USSJ10817392
CopyrightID (CopyrightChains transaction hash)
0xc89379c504dfaf31770778cdde5fa1d7c5a23ceaf779d8c2c9065985124dfdbf
Copyright registration time
2026-07-29T10:42:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T11:07:37Z
Bitcoin block
960095
Canonical record hash
sha256:b7e2377cbdb7474c932e1afe7474dabd92299a3f396aa14d683a0b7cc04ffe93

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.