Carnaval, Op. 9: IX. Papillons. Prestissimo

Recording by Robert Schumann.

Recording identifiers

ISRC
DEF057801099
CopyrightID (CopyrightChains transaction hash)
0xca3dea68df873432d582f1ab456d8c42f8bd0b4d59c236d0a40041ee5944090d
Copyright registration time
2026-07-06T20:38:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:dd6435fe8c613a97d69732e9315e0ad0e04f2da0d3522b9ce5891a99b8e7d1d8

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.