ピアノ・ソナタ第3番 変ロ長調 K.281(189g) 第1楽章 アレグロ

Recording by Wolfgang Amadeus Mozart.

Recording identifiers

ISRC
JPN201300487
CopyrightID (CopyrightChains transaction hash)
0x8791a6440d0feaf8351fe0b19ce9496ea2877f0b2349ef8adbb6b0ea672488c1
Copyright registration time
2026-07-30T21:20:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T21:35:24Z
Bitcoin block
960317
Canonical record hash
sha256:dc26981f176d433f69f6ed7b80074b8d6a10cf01719f47fbed32fc03beb1d545

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.