Papillons, Op. 2: No. 10, Waltz

Recording by Robert Schumann.

Recording identifiers

ISRC
HKI192427908
CopyrightID (CopyrightChains transaction hash)
0x6d50fdec2bcfb8704a7797030c20eb4658a5fcb8075dd817d319a3a78bc39a35
Copyright registration time
2026-06-23T16:43:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d7668fd3d98a17ebe653103fd01932f627b4f39fa82f1efde79d0ca7bd5498ef

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.