Papillons, Op. 2: No. 4 in A Major. Presto

Recording by Robert Schumann.

Recording identifiers

ISRC
GBAJY0512005
CopyrightID (CopyrightChains transaction hash)
0x390f6ae5ba0dc65f600bd986e993a9748cc05f3d3a47121f78b2992abb9c545b
Copyright registration time
2026-06-12T01:12:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:d1b0804e7c8bb6e57c8e738ac811c675ea31212d2d300abc564c5440b18eef55

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.