ISRC USBC10402446
Verified recording
USBC10402446 is “Tosca (1904 Recording): Act III: E lucevan le stelle” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x86994537c440a86bcbbd75ee68f2b9cc3b5b885d3bd1ca5bc5c135bb2b539819 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10402446.
Recording identifiers
- ISRC
- USBC10402446
- Title
- Tosca (1904 Recording): Act III: E lucevan le stelle
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x86994537c440a86bcbbd75ee68f2b9cc3b5b885d3bd1ca5bc5c135bb2b539819
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:555ac79e58c2cac921e54d6bf4c8ed018e5ed360b6be13f5622679faf2569f93- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10402446
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Tosca (1904 Recording): Act III: E lucevan le stelle · Machine-readable JSON-LD