Un ballo in maschera / Act 1: "Posa in pace"

Recording by Giuseppe Verdi.

Recording identifiers

ISRC
NLA507719602
CopyrightID (CopyrightChains transaction hash)
0xee15a9af47e41f0fe4d0498ea5ee0ab98ba16966b38233b45c564a0713348c85
Copyright registration time
2026-07-31T17:43:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:6cd5829dce5a145a1f853c82e255a7647763037b55286de772b8d84738b661b2

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.