ISRC GBF077440526
Verified recording
GBF077440526 is “Madama Butterfly, Act II: Vespa! Rospo maledetto!” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x3953b9bf24b27578fc6b68d09b21793f288113841ceaaa329c226f464e61b035 and independently timestamped
in Bitcoin block 954130 on 2026-06-17.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077440526.
Recording identifiers
- ISRC
- GBF077440526
- Title
- Madama Butterfly, Act II: Vespa! Rospo maledetto!
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x3953b9bf24b27578fc6b68d09b21793f288113841ceaaa329c226f464e61b035
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-17T19:07:14+00:00
- Bitcoin block
- 954130
- Canonical record hash
sha256:152f46f986428b18eb74d9cb8c2662b74406a436047d39e84f77e99c46a4425d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077440526
- Bitcoin block existence check
- https://blockstream.info/api/block/954130
Full record
Track page: Madama Butterfly, Act II: Vespa! Rospo maledetto! · Machine-readable JSON-LD