ISRC DEFG21071104
Verified recording
DEFG21071104 is “Die Hochzeit des Figaro, K. 492, 3. Akt: Canzonetta sull aria… Che soave zeffiretto (Die Verurteilten): Act III: Duettino: Canzonetta sull aria … Che soave zeffiretto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xf36ff6b03ddca0e8d3a9af1f09834992db95420df09cbe70a42b8c2d4ad1620b and independently timestamped
in Bitcoin block 960478 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG21071104.
Recording identifiers
- ISRC
- DEFG21071104
- Title
- Die Hochzeit des Figaro, K. 492, 3. Akt: Canzonetta sull aria… Che soave zeffiretto (Die Verurteilten): Act III: Duettino: Canzonetta sull aria … Che soave zeffiretto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xf36ff6b03ddca0e8d3a9af1f09834992db95420df09cbe70a42b8c2d4ad1620b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:d150098849cee67c214bffe640f6e1e9635bf01873422d75950f80243efdd464- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG21071104
- Bitcoin block existence check
- https://blockstream.info/api/block/960478
Full record
Track page: Die Hochzeit des Figaro, K. 492, 3. Akt: Canzonetta sull aria… Che soave zeffiretto (Die Verurteilten): Act III: Duettino: Canzonetta sull aria … Che soave zeffiretto · Machine-readable JSON-LD