Un ballo in maschera / Act 1: "E scherzo od è follia"

Recording by Giuseppe Verdi.

Recording identifiers

ISRC
NLA507719614
CopyrightID (CopyrightChains transaction hash)
0xf5c721f94ab50e1371f25090134e41a9d0ee7cec6bc2589b48bbdbba82945081
Copyright registration time
2026-07-31T23:09:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38Z
Bitcoin block
960478
Canonical record hash
sha256:0146d01b6536005a3363674d340c970bbb355810eea3ff9c01cb4e6e91adad25

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.