ISRC DEF059030923
Verified recording
DEF059030923 is “Tosca / Act 1: "Ed io venivo a lui tutta dogliosa"” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x709e2c642576346acd3e01e48445759365478fd0c15621d750a89814d108e12a and independently timestamped
in Bitcoin block 960258 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059030923.
Recording identifiers
- ISRC
- DEF059030923
- Title
- Tosca / Act 1: "Ed io venivo a lui tutta dogliosa"
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x709e2c642576346acd3e01e48445759365478fd0c15621d750a89814d108e12a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:45:34+00:00
- Bitcoin block
- 960258
- Canonical record hash
sha256:2204f17a43b814ffd99cb7c90bdbe55ee1399823b1f4b71efc00d42c79e10fa7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059030923
- Bitcoin block existence check
- https://blockstream.info/api/block/960258
Full record
Track page: Tosca / Act 1: "Ed io venivo a lui tutta dogliosa" · Machine-readable JSON-LD