Piano Concerto No. 1 C Major, Op. 15: II. Largo

Recording identifiers

ISRC

USSM11409898

Release date of the album this recording appears on

1958

CopyrightID (CopyrightChains transaction hash)

0x22ee8bc805a48a4d338be4903bb131b6c85af29e02b3483a328b0a429b6679c0

Copyright registration time

2026-07-29T22:08:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-29T22:48:59Z

Bitcoin block

960160

Canonical record hash

sha256:ecdc7eb262d0ee17d679e99d1a86294f90a04d4c611a6804da721af9e66fe620

• Verify the CopyrightID on CopyrightChains
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• Recording evidence summary for ISRC USSM11409898

What this proof establishes

This recording was released in 1958, 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.