La Traviata: Prelude to Act III

Recording by Giuseppe Verdi.

Recording identifiers

ISRC
USSJ10400833
CopyrightID (CopyrightChains transaction hash)
0xd080ee6c03daf9b59b208c27a8ccc932cb31cf0da7a8efb34f8c6dd4194b5755
Copyright registration time
2026-07-31T21:28:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T22:27:44Z
Bitcoin block
960473
Canonical record hash
sha256:1c62f9ffa04d87d58935aef9856881458092897b358fb7bdf77b2423fbced36f

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.