ISRC GBF076310480
Verified recording
GBF076310480 is “Madama Butterfly / Act 2: "Un bel dì vedremo"” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x042a73dc3b559e4a2cb42d3c2e765d1d5562b454fc10468555c31c3c255b5c21 and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076310480.
Recording identifiers
- ISRC
- GBF076310480
- Title
- Madama Butterfly / Act 2: "Un bel dì vedremo"
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x042a73dc3b559e4a2cb42d3c2e765d1d5562b454fc10468555c31c3c255b5c21
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:30a38304c7e00f688308dae5851cab11ba92818c72fc68736c4c09cb11bbf1b3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076310480
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: Madama Butterfly / Act 2: "Un bel dì vedremo" · Machine-readable JSON-LD