ISRC GBF077840622
Verified recording
GBF077840622 is “Tosca / Act 2: "Io tenni la promessa..." - "E qual via scegliete?" - "Tosca, finalmente mia!"” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x64eb0bff939569da62d4033e9e5404268cc4bf5151144c7a1f43f3b20658e6ad and independently timestamped
in Bitcoin block 959152 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077840622.
Recording identifiers
- ISRC
- GBF077840622
- Title
- Tosca / Act 2: "Io tenni la promessa..." - "E qual via scegliete?" - "Tosca, finalmente mia!"
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x64eb0bff939569da62d4033e9e5404268cc4bf5151144c7a1f43f3b20658e6ad
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T16:23:52+00:00
- Bitcoin block
- 959152
- Canonical record hash
sha256:821eb85417ca7b0b209927bd59fc80d5c07dc2a381f9a5b210c10b938c69bbcd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077840622
- Bitcoin block existence check
- https://blockstream.info/api/block/959152
Full record
Track page: Tosca / Act 2: "Io tenni la promessa..." - "E qual via scegliete?" - "Tosca, finalmente mia!" · Machine-readable JSON-LD