ISRC DEF059030920
Verified recording
DEF059030920 is “Tosca / Act 1: "E buona la mia Tosca" - "Siam soli?"” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0xbcdbd6553bce718ced1ec8bbc76c7317055f43ef22a27ae9e6b342d677c49e91 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059030920.
Recording identifiers
- ISRC
- DEF059030920
- Title
- Tosca / Act 1: "E buona la mia Tosca" - "Siam soli?"
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0xbcdbd6553bce718ced1ec8bbc76c7317055f43ef22a27ae9e6b342d677c49e91
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a391fb2c6d94435b26a4942b47f08953829f02f2f1ab7e541e498a19dd6f6292- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059030920
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Tosca / Act 1: "E buona la mia Tosca" - "Siam soli?" · Machine-readable JSON-LD