ISRC FRZ209009235
Verified recording
FRZ209009235 is “Mozart: Così fan tutte, K. 588, Act 2: "Una donna a quindici anni" (Despina)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x9d8f6f624ee8a8da895c8101a6a4d335ffe9fb30a9521fc58c74c2ed8f6a2d05 and independently timestamped
in Bitcoin block 960370 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209009235.
Recording identifiers
- ISRC
- FRZ209009235
- Title
- Mozart: Così fan tutte, K. 588, Act 2: "Una donna a quindici anni" (Despina)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x9d8f6f624ee8a8da895c8101a6a4d335ffe9fb30a9521fc58c74c2ed8f6a2d05
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:38:45+00:00
- Bitcoin block
- 960370
- Canonical record hash
sha256:af8f0219387cf7e9454d9c5b8c8fdd1ffc942d994b4cdc9b73cafec48ccdd9fe- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209009235
- Bitcoin block existence check
- https://blockstream.info/api/block/960370
Full record
Track page: Mozart: Così fan tutte, K. 588, Act 2: "Una donna a quindici anni" (Despina) · Machine-readable JSON-LD