ISRC GBBBA0642950
Verified recording
GBBBA0642950 is “Madama Butterfly: One Fine Day” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x510c6ee9f4f4c90cb8e315a2dd33c9d400812f7b14dff487fa42cf720a79e148 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/GBBBA0642950.
Recording identifiers
- ISRC
- GBBBA0642950
- Title
- Madama Butterfly: One Fine Day
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x510c6ee9f4f4c90cb8e315a2dd33c9d400812f7b14dff487fa42cf720a79e148
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:8d31833428c45b00097efc44bfbd4be16747b87afe0788965b2c45bc58c65f4a- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0642950
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Madama Butterfly: One Fine Day · Machine-readable JSON-LD