Gianni Schicchi: "Dunque era vero!"

Recording by Giacomo Puccini.

Recording identifiers

ISRC
GBF079144129
CopyrightID (CopyrightChains transaction hash)
0x502fc97f111e10d7984ffe479680893f2a7c55e927ebce2db71c2c9bcbaa7e26
Copyright registration time
2026-06-20T22:38:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:8d1e7d4fc85eb441da279c4d05057c13b757b35ed24d45d5f2059f6a188def78

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.