Mattinata

Recording by Ruggero Leoncavallo.

Recording identifiers

ISRC
GBF071502250
CopyrightID (CopyrightChains transaction hash)
0xab68eb584ea94c1d493e0864e9a655a3b148d8f594973bbd9b668c3963c276d9
Copyright registration time
2026-06-21T20:36:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:1557be7fbf99ea5d6dd6e3034d5b9ace986b15e8b1320e13bcb0792220a12306

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.