Un ballo in maschera: Overture

Recording by Giuseppe Verdi.

Recording identifiers

ISRC
DEF058031301
CopyrightID (CopyrightChains transaction hash)
0xb17baac3c1e71f6cf16b4fa238cf33a5af01690408a70d546669f6a37ebb55e0
Copyright registration time
2026-06-26T22:55:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:3ae4896a579f6d617c0fc04ea7a6e78232d89d9082dc018133d1a00041028915

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.