Moonlight Sonata

Recording by Chie Nagatani.

Recording identifiers

ISRC
US4R31002653
CopyrightID (CopyrightChains transaction hash)
0xbd926fdd18700d98d2c833e10080ec9574db46d80dbc78cacc2a9758d643f826
Copyright registration time
2026-07-06T10:00:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:50:41Z
Bitcoin block
957052
Canonical record hash
sha256:7da170fd42c1614bb32818f8a4c3fcf99a02c7f5b6443ae71d149d4655b29e68

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.