Fantaisie-impromptu, Op.66

Recording by Frédéric Chopin.

Recording identifiers

ISRC
AU3SE2100524
CopyrightID (CopyrightChains transaction hash)
0xc7115f4c179a651b8d4bc0e2321695cfd176f4420562495e0c39bae3c1a2fb56
Copyright registration time
2026-06-27T16:09:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:eb5dba59270941635aac92d2f4fbc456e15dec7e8e6262c84ff4d809130a98a8

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.