Moderato in E Major, B. 151, Op. P2 No. 12

Recording by Frédéric Chopin.

Recording identifiers

ISRC
HKI199234032
CopyrightID (CopyrightChains transaction hash)
0x4d387a2e9e7787af99f44517e75cea7a93df68498fc3c1d4e4638c1299c09551
Copyright registration time
2026-07-07T16:30:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:bfab497cd36049ddf62512d1039b6c1639016f1bf3b7a20205a11570c32c2b1f

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.