Carnaval, Op. 9: Pierrot - Welte-Mignon 321

Recording by Robert Schumann.

Recording identifiers

ISRC
DEPI82310391
CopyrightID (CopyrightChains transaction hash)
0xe2b5f342795f22877332810de39a8fddf305a28ad9e300d79c111350169cd4dc
Copyright registration time
2026-07-30T11:39:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T12:06:10Z
Bitcoin block
960254
Canonical record hash
sha256:687cfc7ab2d1b8e353c37b68856be20c656c85ea07eee4a171b14d636259a582

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.