II. Intermezzo, WoO 22

Recording by Robert Schumann.

Recording identifiers

ISRC
HKI199305808
CopyrightID (CopyrightChains transaction hash)
0xc5ba2cafc9aa29bb839900d279843157ed1f0c502ed1dfc023f2ccaca292adf1
Copyright registration time
2026-06-25T14:20:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c1a3654c61e982ab9d37f33c459f6d4e9f3cb1f389ee89924eda780d6f9f6dea

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.