ISRC HKI190057612
Verified recording
HKI190057612 is “Madama Butterfly, Act I: Amore o grillo” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x4648b9e33d841c18e461a842942dcdfa9ee0a0eace0ff7bf4eac5ccceef139a1 and independently timestamped
in Bitcoin block 959144 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190057612.
Recording identifiers
- ISRC
- HKI190057612
- Title
- Madama Butterfly, Act I: Amore o grillo
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x4648b9e33d841c18e461a842942dcdfa9ee0a0eace0ff7bf4eac5ccceef139a1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T15:38:35+00:00
- Bitcoin block
- 959144
- Canonical record hash
sha256:3b34102955759e3e1173cbfbea233ef91302929a9aa2ed44f4620de1af20e04f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190057612
- Bitcoin block existence check
- https://blockstream.info/api/block/959144
Full record
Track page: Madama Butterfly, Act I: Amore o grillo · Machine-readable JSON-LD