ISRC USBC15000227
Verified recording
USBC15000227 is “Tosca: Act I: Recondita armonia” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x810be48e05a6099db9c9736be8632ac880743be6384555b1d29217fc140fe944 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC15000227.
Recording identifiers
- ISRC
- USBC15000227
- Title
- Tosca: Act I: Recondita armonia
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x810be48e05a6099db9c9736be8632ac880743be6384555b1d29217fc140fe944
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:1c6844ed474b4121dc37eef2faa5a478bf17aecbca7d4b8e2500b2504b1e7b0c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC15000227
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Tosca: Act I: Recondita armonia · Machine-readable JSON-LD