ピアノ協奏曲第1番ホ短調作品11 第2楽章 ロマンス:ラルゲット

Recording by Frédéric Chopin.

Recording identifiers

ISRC
JPBV09004902
CopyrightID (CopyrightChains transaction hash)
0x63e2f5207e7191e5deec6df858ac892f3c127f25d121eb60a95db261de32bfdc
Copyright registration time
2026-07-31T16:24:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52Z
Bitcoin block
960441
Canonical record hash
sha256:23aca0e87ae315298a9728217ff67258adbc587805755fb8c294586a4f55c00b

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.