ISRC USBC10400244
Verified recording
USBC10400244 is “Madama Butterfly: Act II: Piangi? Perchè?; Un bel dì” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x16f23b9d7b831286544adc5c63bba8bef7fd824930f628b9d66de939965ba085 and independently timestamped
in Bitcoin block 959128 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10400244.
Recording identifiers
- ISRC
- USBC10400244
- Title
- Madama Butterfly: Act II: Piangi? Perchè?; Un bel dì
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x16f23b9d7b831286544adc5c63bba8bef7fd824930f628b9d66de939965ba085
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T12:33:25+00:00
- Bitcoin block
- 959128
- Canonical record hash
sha256:d656fd7dcb73bab026f89e318c5c65c13cfa7ba227ac4d97933eba11737064bd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10400244
- Bitcoin block existence check
- https://blockstream.info/api/block/959128
Full record
Track page: Madama Butterfly: Act II: Piangi? Perchè?; Un bel dì · Machine-readable JSON-LD