Un ballo in maschera / Act 2: "Ecco l'orrido campo"

Recording by Giuseppe Verdi.

Recording identifiers

ISRC
NLA507719617
CopyrightID (CopyrightChains transaction hash)
0xfe82d6e25222ea4c7e2ffca4ff142855c5f23d0e9b0f80a4f26550ade870be7a
Copyright registration time
2026-07-31T23:16:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38Z
Bitcoin block
960478
Canonical record hash
sha256:83f9bb6d80cbca6da9fafa8f0ac61295e6d160135070c39cafa5ef030928327e

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.