Tosca: Vissi d'arte

Recording by Maria Callas.

Recording identifiers

ISRC
USX761423414
CopyrightID (CopyrightChains transaction hash)
0xaafff9b558342b49bb6c6e06b5450f7e138bec703f6f98d10d961b97c67f24f9
Copyright registration time
2026-07-31T15:09:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:f382454c7482c8473c9000a9e02c34e8d04dbe43b1bcfa6450afd2dbb0780d98

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.