ISRC HKI190629905
Verified recording
HKI190629905 is “Madama Butterfly, Act II: Un bel di vedremo (arr. for trombone)” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0xfdcb8e3394c5ff16b69b8092fc3c0313b3d5265f967b1e7859d708550c21d908 and independently timestamped
in Bitcoin block 957050 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190629905.
Recording identifiers
- ISRC
- HKI190629905
- Title
- Madama Butterfly, Act II: Un bel di vedremo (arr. for trombone)
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0xfdcb8e3394c5ff16b69b8092fc3c0313b3d5265f967b1e7859d708550c21d908
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T14:41:13+00:00
- Bitcoin block
- 957050
- Canonical record hash
sha256:dab6d87ec3237b36fa19d44da7e738cb39951187012f97e128990fbfc5ff4231- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190629905
- Bitcoin block existence check
- https://blockstream.info/api/block/957050
Full record
Track page: Madama Butterfly, Act II: Un bel di vedremo (arr. for trombone) · Machine-readable JSON-LD