Leoncavallo: Mattinata in D Major

Recording identifiers

ISRC

GBAYC9704773

CopyrightID (CopyrightChains transaction hash)

0xbd0a698e64a7329bb8ef295cfb9f0614ebae8bc6ea8a1a6b8d4b2eb09333e03a

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T15:27:29Z

Bitcoin block

960422

Canonical record hash

sha256:971cda9a9fd28ad81cc64a732aa79042c4e657f4d82c32e7d0ab883499b8c8ba

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.