ISRC USB8U1520860
Verified recording
USB8U1520860 is “Tosca, S. 69: Act III: E lucevan le stelle” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x52082dbf26f6d4b640f512eed08e15aea21ba5c1ef98dd8a4bfe7e344b5c1e07 and independently timestamped
in Bitcoin block 960302 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1520860.
Recording identifiers
- ISRC
- USB8U1520860
- Title
- Tosca, S. 69: Act III: E lucevan le stelle
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x52082dbf26f6d4b640f512eed08e15aea21ba5c1ef98dd8a4bfe7e344b5c1e07
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:09:33+00:00
- Bitcoin block
- 960302
- Canonical record hash
sha256:a0dff53751defe13c59bf8de1effa1def3c6b9ce54de90335b09e002b81596f3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1520860
- Bitcoin block existence check
- https://blockstream.info/api/block/960302
Full record
Track page: Tosca, S. 69: Act III: E lucevan le stelle · Machine-readable JSON-LD