ISRC FRZ140309190
Verified recording
FRZ140309190 is “Le nozze di Figaro, K. 492, Atto III Scene 1 - 3: No. 17, Duettino. Crudel! Perché finora (Il Conte, Susanna)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x1ec7165f82628e2f895ffea7c1f789cbf2cce7ff9f8a65cdcf69de93e847e901 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/FRZ140309190.
Recording identifiers
- ISRC
- FRZ140309190
- Title
- Le nozze di Figaro, K. 492, Atto III Scene 1 - 3: No. 17, Duettino. Crudel! Perché finora (Il Conte, Susanna)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x1ec7165f82628e2f895ffea7c1f789cbf2cce7ff9f8a65cdcf69de93e847e901
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:68dd1423f743b5bcd7fa43cdad23e07f2fe601caaf6d2d0eedba456faba7ffc9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140309190
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Le nozze di Figaro, K. 492, Atto III Scene 1 - 3: No. 17, Duettino. Crudel! Perché finora (Il Conte, Susanna) · Machine-readable JSON-LD