Mattinata

Recording by Ruggero Leoncavallo.

Recording identifiers

ISRC
USSM11603444
CopyrightID (CopyrightChains transaction hash)
0x31f025f9565e46430d672b1485b0ebf67e4926202964b7a6d00e12260023d6cb
Copyright registration time
2026-06-09T16:03:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:326339ac2a9933e8bb9f419729dc23cd5c3171d9f66da08588e5eb291b878c0f

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.