ISRC USBC10402447
Verified recording
USBC10402447 is “Tosca (1904 Recording): Act I: Recondita armonia” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x61b7120d22e82ac57f4e334bafc0fe5ecfe079504aa991662bf969cd4ce5d278 and independently timestamped
in Bitcoin block 957073 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10402447.
Recording identifiers
- ISRC
- USBC10402447
- Title
- Tosca (1904 Recording): Act I: Recondita armonia
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x61b7120d22e82ac57f4e334bafc0fe5ecfe079504aa991662bf969cd4ce5d278
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T18:39:05+00:00
- Bitcoin block
- 957073
- Canonical record hash
sha256:7249b01b8a6e19abf70887b9d3e023fccb8509b9b56b3ea9072fb7a088952912- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10402447
- Bitcoin block existence check
- https://blockstream.info/api/block/957073
Full record
Track page: Tosca (1904 Recording): Act I: Recondita armonia · Machine-readable JSON-LD