Papillons, Op. 2: No. 8 in C-Sharp Minor

Recording by Robert Schumann.

Recording identifiers

ISRC
GBAJY0512009
CopyrightID (CopyrightChains transaction hash)
0xa9707fdddf023a4e2b2e257546676c3455941a700ac0c6ea892c11a6d193bcb7
Copyright registration time
2026-06-18T11:15:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:da8424c538815409e7f669ceee4a29b1965413f4be715dc2304df49da1e80144

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.