Orpheus-Quadrille, Op. 236

Recording by Johann Strauss II.

Recording identifiers

ISRC
USSM11306216
CopyrightID (CopyrightChains transaction hash)
0xc9e1c6c06ea7bd0412db07993c3512a267415939cebdc8351a5ad5d350721df9
Copyright registration time
2026-06-09T16:29:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:569c418403eedd4e0d37cbfae99035bb249e1f84dbb5ecb535da539782bcaeec

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.