Concertino Piccolo

Recording by John Robertson.

Recording identifiers

ISRC
USPMZ2515210
CopyrightID (CopyrightChains transaction hash)
0xad032188d3ba7ef7c7c62bbd039d8c41d26db3470ca17775757af64156b0169b
Copyright registration time
2026-07-08T00:53:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:d1392faa59e6ac123584ef78ede542a9188dda441182df4e800fc2c09c84b53f

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.