ISRC DEF059030906
Verified recording
DEF059030906 is “Tosca / Act 1: "Ah, quegli occhi..." - "Qual occhio al mondo può star di paro"” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x6ddacf9e87f994d0ff83d9bc7a94b24a94d24841a01b9dd78251fb3b187a54cf and independently timestamped
in Bitcoin block 960222 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059030906.
Recording identifiers
- ISRC
- DEF059030906
- Title
- Tosca / Act 1: "Ah, quegli occhi..." - "Qual occhio al mondo può star di paro"
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x6ddacf9e87f994d0ff83d9bc7a94b24a94d24841a01b9dd78251fb3b187a54cf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:48:45+00:00
- Bitcoin block
- 960222
- Canonical record hash
sha256:46d7963d5eabac9121487a1fad80df45fd415698930b3f80fc07658d03249f74- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059030906
- Bitcoin block existence check
- https://blockstream.info/api/block/960222
Full record
Track page: Tosca / Act 1: "Ah, quegli occhi..." - "Qual occhio al mondo può star di paro" · Machine-readable JSON-LD