Carnaval, Op. 9: II. Pierrot. Moderato

Recording by Robert Schumann.

Recording identifiers

ISRC
DEF057801092
CopyrightID (CopyrightChains transaction hash)
0x5ddf6c993d9e040bce509710e0fdf89cd7c116e62008299803758cdc7f0756b9

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:51:48Z
Bitcoin block
960337
Canonical record hash
sha256:47136dd3e2a5fd8ffe556ed06d6a2fd8bc5c562845fb56704e9c159614175722

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.