ISRC DEF057930726
Verified recording
DEF057930726 is “Tosca, Act I: Ed io venivo a lui tutta dogliosa” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x3a5f5f43ad2ad11dfad135b83548a2349b6216cbcd00d3162c0051073c3b938e and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057930726.
Recording identifiers
- ISRC
- DEF057930726
- Title
- Tosca, Act I: Ed io venivo a lui tutta dogliosa
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x3a5f5f43ad2ad11dfad135b83548a2349b6216cbcd00d3162c0051073c3b938e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:e08447b8a570603a810f3eb5975416f8a2fd02fe9beb24245f0554ea55dd4333- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057930726
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Tosca, Act I: Ed io venivo a lui tutta dogliosa · Machine-readable JSON-LD