ピアノ協奏曲第3番 ハ長調 Op.26: I. Andante - Allegro

Recording by Sergei Prokofiev.

Recording identifiers

ISRC
HKI199286201
CopyrightID (CopyrightChains transaction hash)
0x2aeec1dc39fc222981e60f9163dd02a41954bd42b900cff82a8fa5b32feb3948
Copyright registration time
2026-06-26T19:22:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d737a1808d4e026d2cb6696707dde77e3d20420922f6c04aebab545384dd88e9

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.