Piano Concerto No. 24 in C Minor, K. 491: III. Allegretto

Recording identifiers

ISRC

DES380012444

Release date of the album this recording appears on

1974

CopyrightID (CopyrightChains transaction hash)

0x2afca78ce2b4a5fb47f5603f42245b42702ce4f257019d79fee18f434b311d64

Copyright registration time

2026-07-07T15:43:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T08:56:20Z

Bitcoin block

957145

Canonical record hash

sha256:6045c5aa4ef47dca034846fce22263c80e868ca8d6e1b97496d797c56b7d5abd

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
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• Recording evidence summary for ISRC DES380012444

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.