Kaiserwalzer, Op. 437

Recording by Johann Strauss II.

Recording identifiers

ISRC
GBAYC9002322
CopyrightID (CopyrightChains transaction hash)
0x908a7d59cd40842680a2c48a8a12ef46afd540c93b5329ba187556e600a781c3
Copyright registration time
2026-07-06T06:54:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:83ea98d92d448923f437387d2301f918786ad9beb700f66227f083d41885f578

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.