Carnaval, Op. 9: Reconnaisance - Welte-Mignon 322

Recording by Robert Schumann.

Recording identifiers

ISRC
DEPI82310680
CopyrightID (CopyrightChains transaction hash)
0x4a6371f6c4d0d9e6a4edfb141bcebd12514ff183752a15cfff1165dba9c2ee94

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T19:26:00Z
Bitcoin block
960298
Canonical record hash
sha256:7a1c2859f442404ee443f9720176a5e73b644d11a718cf999d628705c9918c15

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.