ISRC GBF077440535
Verified recording
GBF077440535 is “Madama Butterfly, Act III: Io so che alle sue pene” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0xa77e7142d6bd4c56bc352562c3330d1773890e0ff931821a8b7e6fc0924f89b1 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077440535.
Recording identifiers
- ISRC
- GBF077440535
- Title
- Madama Butterfly, Act III: Io so che alle sue pene
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0xa77e7142d6bd4c56bc352562c3330d1773890e0ff931821a8b7e6fc0924f89b1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:68cdb2990b3e524cda054671e62b7be5ddb808f6ddc5647cd82652bde96989ad- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077440535
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Madama Butterfly, Act III: Io so che alle sue pene · Machine-readable JSON-LD