Piano Concerto No. 1 C Major, Op. 15: Cadenza by Glenn Gould

Recording identifiers

ISRC

USSM11409900

Release date of the album this recording appears on

1958

CopyrightID (CopyrightChains transaction hash)

0x5e45a475d640d9989f539a842cf3007daa951348e0fa842df7b2ce5f1652f3be

Copyright registration time

2026-07-31T21:16:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T21:25:57Z

Bitcoin block

960468

Canonical record hash

sha256:7faa4aca9075a202e089d90d6f9ab80abd118de3dc780e9c558e68d2e4accca7

• Verify the CopyrightID on CopyrightChains
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• Recording evidence summary for ISRC USSM11409900

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.