Act IV: Qual prodigio!...Non fu sogno!

Recording by Giuseppe Verdi.

Recording identifiers

ISRC
USBC10402275
CopyrightID (CopyrightChains transaction hash)
0x3f8dc7bf5fbcd487040169dd6f5b4f7f3433ffdcbd4da9c80a64a615c69fed28
Copyright registration time
2026-07-07T11:50:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d3a41de768762f0efe61ba82609ac09cda298661cc2d89dad66fa5e7d076b1df

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.