ISRC GBAYC1450089
Verified recording
GBAYC1450089 is “Puccini: Tosca, Act 1: "Mario! Mario! Mario!" (Tosca, Cavaradossi)” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x88d2887ca6469034113db80bb7b5feb5db7e983b17ef5ec592e75b2636699f99 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450089.
Recording identifiers
- ISRC
- GBAYC1450089
- Title
- Puccini: Tosca, Act 1: "Mario! Mario! Mario!" (Tosca, Cavaradossi)
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x88d2887ca6469034113db80bb7b5feb5db7e983b17ef5ec592e75b2636699f99
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:fc0ae8ca06412f71e912194a3fb682a07900fcb402c96b30d4a149be3efca5c3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450089
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Puccini: Tosca, Act 1: "Mario! Mario! Mario!" (Tosca, Cavaradossi) · Machine-readable JSON-LD