Piano Sonata No. 7: III. Precipitato

Recording by Sergei Prokofiev.

Recording identifiers

ISRC
USHM19108710
CopyrightID (CopyrightChains transaction hash)
0x922119156d1cfe6345651c4152a22a24251d55aa2fc739744d852624e58b27c1
Copyright registration time
2026-07-07T02:25:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:747efdb7995dd0c4ee2f04675c96db871f918c08c3db2e38f5e1068c75707593

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. 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.