Chiarina

Recording by Robert Schumann.

Recording identifiers

ISRC
NOFZS0315120
CopyrightID (CopyrightChains transaction hash)
0x11168f7192dfe8742c1a1a81def67cceb997597e97915e048958436e9e196e64
Copyright registration time
2026-07-07T23:52:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:62faf73ad146f5c0b42a17ac6469eaa2afaedd2c92f63ed65aec9cfee267d97c

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.