Piano Concerto No. 20 in D Minor, K. 466: II. Romance - cadenza by L. v. Beethoven

Recording identifiers

ISRC

DES380012431

Release date of the album this recording appears on

1974

CopyrightID (CopyrightChains transaction hash)

0xcf54b80cc2789b3a27a5e28a00d29eb5f205d64972acee5e567f9237c7b822dc

Copyright registration time

2026-07-07T16:05:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:59ae1f0ae7005a308847d911d4afb9d07ac31682d9cf8b6fefa8384f275a7580

• Verify the CopyrightID on CopyrightChains
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• Recording evidence summary for ISRC DES380012431

What this proof establishes

This recording was released in 1974, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.