Prelude No. 9 in E Major: Andantino

Recording by César Cui.

Recording identifiers

ISRC
HKI190142909
CopyrightID (CopyrightChains transaction hash)
0xdd85d18dd9d6290e1b9f83614e13b49bfb25dd49c55053e33e041a9227ee49f7
Copyright registration time
2026-07-07T06:08:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:bb0455062fde76b15e4a4a8c59f0095f4e17d26f7b01c225986d69a269279381

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.