ISRC DEF059030908
Verified recording
DEF059030908 is “Tosca / Act 2: Dov'è dunque Angelotti? (Scarpia, Cavaradossi, Spoletta, Tosca)” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x3efc97754d3a762ee6809bc261b23823810eb9c123e2907b0d2250b61d38edb9 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059030908.
Recording identifiers
- ISRC
- DEF059030908
- Title
- Tosca / Act 2: Dov'è dunque Angelotti? (Scarpia, Cavaradossi, Spoletta, Tosca)
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x3efc97754d3a762ee6809bc261b23823810eb9c123e2907b0d2250b61d38edb9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:ddd70bfaa0b999f9d6e95b22e7607328bf8011981074a1d83680c3dfd3ec4adc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059030908
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Tosca / Act 2: Dov'è dunque Angelotti? (Scarpia, Cavaradossi, Spoletta, Tosca) · Machine-readable JSON-LD