Sonata No. 8, Op. 84: II. Andante sognando

Recording by Sergei Prokofiev.

Recording identifiers

ISRC
GBLWD9806702
CopyrightID (CopyrightChains transaction hash)
0x493dda0d0b200503ee8485869be1868337adf3233d12259fd2bbc892b519e0fd
Copyright registration time
2026-07-07T12:07:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:36dfe00ce5d9025ed85745a371386ab8f18762d59931e244d361db0ea38eae6b

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.