Mattinata

Recording by Ruggero Leoncavallo.

Recording identifiers

ISRC
USSM11102252
CopyrightID (CopyrightChains transaction hash)
0x8acdd08222aa2bc80be092537cd7d53ce1671797d2cc90ba098f28b8a13c507e
Copyright registration time
2026-06-24T09:20:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:171e229beb75ee8f442e15da518c49018ea5e8f280baf51af2e82f90bc2f6c57

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.