Mattinata

Recording by Ruggero Leoncavallo.

Recording identifiers

ISRC
GB5KW1802835
CopyrightID (CopyrightChains transaction hash)
0x1aa7369f02e6b9f0eec60a35a54817ce368bf30350c40ffa2bb8c11f1faa0aab
Copyright registration time
2026-07-06T19:48:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:89a40470941708679e9c9f018e3f7ff3ebc51b7e2baf0670690f6c2da8d538c6

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.