Sonata No. 2, Op. 14: IV. Vivace - Moderato - Vivace

Recording by Sergei Prokofiev.

Recording identifiers

ISRC
GBLWD9806505
CopyrightID (CopyrightChains transaction hash)
0x74ca3ba21c35ca5cc79434c5f767b66017cbeb046240bc53d35ec67b6a901947
Copyright registration time
2026-07-06T07:32:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-13T07:53:33Z
Bitcoin block
957819
Canonical record hash
sha256:0d08bbd60eb2a79180a1344ce3267ba9dd2f1e3366359b78cd1110c9b74bf697

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.