Kaiserwalzer Opus 437

Recording by Johann Strauss II.

Recording identifiers

ISRC
NLA309500261
CopyrightID (CopyrightChains transaction hash)
0x094d58b790ac9eeca27e72975e71a6c53cb397c112d35c12780209374168a1b8
Copyright registration time
2026-07-06T09:24:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:9b12c4582c592378f67f726b98bfd7c03cc17f98ed79d43a9731d0a450672a9d

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.