ISRC HKI190010217
Verified recording
HKI190010217 is “Madama Butterfly: O quanti occhi fisi” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x9fe71178aec9d099e40f8596ecddcdd36c505b424079830bcdec56c45af69f55 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190010217.
Recording identifiers
- ISRC
- HKI190010217
- Title
- Madama Butterfly: O quanti occhi fisi
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x9fe71178aec9d099e40f8596ecddcdd36c505b424079830bcdec56c45af69f55
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:08e985577365c1361c88bdfe8b0e89c5b4ef9739035c2c10a02b4f630f107803- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190010217
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Madama Butterfly: O quanti occhi fisi · Machine-readable JSON-LD