ISRC USBC10402473
Verified recording
USBC10402473 is “Tosca (1909 Recording): Act I: Recondita armonia” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0xab813094f33559353d98f7c0493be0562b7d885eba84e4cd7103290cae7c8c8d and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10402473.
Recording identifiers
- ISRC
- USBC10402473
- Title
- Tosca (1909 Recording): Act I: Recondita armonia
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0xab813094f33559353d98f7c0493be0562b7d885eba84e4cd7103290cae7c8c8d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:77fb5f10c1293de9713b5358e87e5a0d30c2f5edeacafdadc74f19e9d7bc3d9a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10402473
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Tosca (1909 Recording): Act I: Recondita armonia · Machine-readable JSON-LD