Piano Concerto No. 1, Op. 28: IV. Toccata concertata

Recording identifiers

ISRC

GBLWD1802904

Release date of the album this recording appears on

2018-06-01

CopyrightID (CopyrightChains transaction hash)

0x6bd992c1f1998eba5d6e8b1de66c901b9bb2df92cb633b2aed7793eafdf86878

Copyright registration time

2026-07-31T16:39:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T17:29:52Z

Bitcoin block

960441

Canonical record hash

sha256:ea96e73114002e359358ffafd5db26e4e7d487c6f9e4d92b5eef4df4300ac9dc

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• Recording evidence summary for ISRC GBLWD1802904

What this proof establishes

This recording was released in 2018, 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.