IV. Intermezzo

Recording by Robert Schumann.

Recording identifiers

ISRC
HKI199305112
CopyrightID (CopyrightChains transaction hash)
0xd566a08e72c08c942141efae28843f4c5d0f51906f59cd550059ba8f9e51e1ef
Copyright registration time
2026-07-30T23:58:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:58:21Z
Bitcoin block
960330
Canonical record hash
sha256:32051203d0dab1d0bffc4094cd8d4177334434c689c5fc68f9e081951ceef180

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.