ISRC USBC19704779
Verified recording
USBC19704779 is “Madama Butterfly: Act II: Piangi? Perchè?; Un bel dì vedremo” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0xa6450ab2fbca97c5e2ea5ed4990a8bd4023fc6cb17c7c39657fc392d4c4ea654 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/USBC19704779.
Recording identifiers
- ISRC
- USBC19704779
- Title
- Madama Butterfly: Act II: Piangi? Perchè?; Un bel dì vedremo
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0xa6450ab2fbca97c5e2ea5ed4990a8bd4023fc6cb17c7c39657fc392d4c4ea654
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:5aa479d3776581474a89aeb8874f43184e10d4a502e58d615728c8a63b97b193- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19704779
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Madama Butterfly: Act II: Piangi? Perchè?; Un bel dì vedremo · Machine-readable JSON-LD