Tosca, S. 69, Act I: Tre sbirri, una carrozza

Recording by Giacomo Puccini.

Recording identifiers

ISRC
GBAYC9701401
CopyrightID (CopyrightChains transaction hash)
0xe7d5efc5c13d686d5855c54df875c04cc2f7bff2fb108032f0997dff18e520e2
Copyright registration time
2026-06-25T17:13:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:62cf8b5c53ef80157b6719ad3cffe16ac536282fcb81a3075df5b1d8fea9b361

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.