ISRC HKI199700205
Verified recording
HKI199700205 is “Madama Butterfly, Act II: Madame Butterfly, Act II: Humming Chorus” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0xb0ee418822de9bbf8f90f109ac21cf401d574569443f0fdd7b04ca3b3d4adbc4 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199700205.
Recording identifiers
- ISRC
- HKI199700205
- Title
- Madama Butterfly, Act II: Madame Butterfly, Act II: Humming Chorus
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0xb0ee418822de9bbf8f90f109ac21cf401d574569443f0fdd7b04ca3b3d4adbc4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:339332e3bb24d6a7534ad4becbfc6d9d2d756320972c4932d19b6b355b67e76b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199700205
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Madama Butterfly, Act II: Madame Butterfly, Act II: Humming Chorus · Machine-readable JSON-LD