Rigoletto: Quel vecchio maledivami!

Recording identifiers

ISRC

USSM19401888

CopyrightID (CopyrightChains transaction hash)

0xadd42397e0dc7e2bd16c11138eba03d52ba7f11438c8141060f2b2f623456025

Copyright registration time

2026-07-29T23:43:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-29T23:52:38Z

Bitcoin block

960170

Canonical record hash

sha256:46ed78ffe0c3d587c426b879140d3a88b938cb791defb566eb4e0eae1bf81417

• 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.