Moderato en mi majeur

Recording by Frédéric Chopin.

Recording identifiers

ISRC
FR6V80780686
CopyrightID (CopyrightChains transaction hash)
0x1fc715a42dd3aed74db66be2420c6fa592477c3c95c6bef39c94c1f275b8590c
Copyright registration time
2026-07-30T23:13:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:2e62f8296dfd95836da96a5cc64338d4cfb04818f0e28319b31d47666ab10d96

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.