Emperor Waltz, Op. 437

Recording by Johann Strauss II.

Recording identifiers

ISRC
USSJ10817425
CopyrightID (CopyrightChains transaction hash)
0xa832b9a1f31940c2f327ab0b6231fd13d28774de7d07ba6cead3bb70aac81a6d
Copyright registration time
2026-07-07T01:54:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c8a8054403b3c8d2bc51f933d2c0a2409af9da1c46b10850ea4e77be1060475b

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.