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

Recording identifiers

ISRC

USSM11409897

Release date of the album this recording appears on

1958

CopyrightID (CopyrightChains transaction hash)

0xd22557f4f575ea79a50d4436eb793aa809a4b3e36e532fe83acab24489017b2e

Copyright registration time

2026-07-31T04:21:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T05:17:02Z

Bitcoin block

960348

Canonical record hash

sha256:b449d96f5daed8a7aad23416c21e4192cdb23c331a636928a667a91cba6d7769

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
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• Recording evidence summary for ISRC USSM11409897

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.