ピアノ協奏曲第2番 ト短調 Op.16: IV. Finale. Allegro tempestoso

Recording by Sergei Prokofiev.

Recording identifiers

ISRC
HKI199286304
CopyrightID (CopyrightChains transaction hash)
0xacb69d491865170b84a22b477e7706cfa9067fc89cf63f2087c8eb1bbc27137c
Copyright registration time
2026-07-06T07:39:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T11:43:09Z
Bitcoin block
957032
Canonical record hash
sha256:accb140964bceb1d1c2e7b08cd7dc74def0623721c12804f3792fa8263806be2

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.