ISRC USSM12405192
Verified recording
USSM12405192 is “Tosca, Act I: "Ah, quegli occhi!" - "Qual occhio al mondo"” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x81f13a429f8a10b977a3ed17a07b0116ac21a056a96687bb53c4f2de6685d733 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12405192.
Recording identifiers
- ISRC
- USSM12405192
- Title
- Tosca, Act I: "Ah, quegli occhi!" - "Qual occhio al mondo"
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x81f13a429f8a10b977a3ed17a07b0116ac21a056a96687bb53c4f2de6685d733
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:3b0c2d9cfe03f5610e2e1bd540e90c35130f383416613c8beed82dde6a9f0a89- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12405192
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Tosca, Act I: "Ah, quegli occhi!" - "Qual occhio al mondo" · Machine-readable JSON-LD