Carnaval, Op. 9: 9. Papillons

Recording by Robert Schumann.

Recording identifiers

ISRC
GBF077843109
CopyrightID (CopyrightChains transaction hash)
0xd9f1a07086a4958eb55e0921522c3ffa8d06e79c274c51e6e072a6c3c1e87dd0

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T07:28:30Z
Bitcoin block
960220
Canonical record hash
sha256:9cacaa92dd9a0f53b27d8511fd60be13df52809d3e48e1946c72b277094c5b6f

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.