Mattinata

Recording by Ruggero Leoncavallo.

Recording identifiers

ISRC
NLA508324002
CopyrightID (CopyrightChains transaction hash)
0x26bad7c98838373184c5aa66abd4a3b5ea7f44b11b8475d25f962085dce5ceb5
Copyright registration time
2026-07-07T13:59:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:905eebd2e10f6b06ce4a5b44325dbf5e60d16478504d8cb8b74a87e07fe4f291

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.