Papillons Op. 2: 1.

Recording by Robert Schumann.

Recording identifiers

ISRC
GBAYC8700626
CopyrightID (CopyrightChains transaction hash)
0x492e2cbabc61efe53a087e58ea8f01772e9b58cf4c38a90793d92cbc3a8fa2ae
Copyright registration time
2026-06-21T21:07:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:d9ff7b8d0bfa5e4697750de17a982b8bbd203b51f3fe85e1c3250fb4c0368119

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.