Tosca, Act II Scene 5: Vissi d'arte

Recording by Giacomo Puccini.

Recording identifiers

ISRC
USSM11914909
CopyrightID (CopyrightChains transaction hash)
0x98c562c1d5b5d489fc87d6bbcd443ae567cd3ea86c34ef2814fce9f6e8d4fcc8
Copyright registration time
2026-07-07T08:31:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7be69437d0ce454d0b92f2ee217a72eeaddb28d6244e2f2eab02cd1f27d592b8

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.