ISRC FRZ140308090
Verified recording
FRZ140308090 is “Le nozze di Figaro, K. 492, Atto I Scena 4: Recitativo. Tutto ancor non ho perso (Marcellina, Susanna)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x3f56ec44b7c707d838cca01bbc29491d5cca2ff3babd5c9d108d36e00e62b73d and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140308090.
Recording identifiers
- ISRC
- FRZ140308090
- Title
- Le nozze di Figaro, K. 492, Atto I Scena 4: Recitativo. Tutto ancor non ho perso (Marcellina, Susanna)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x3f56ec44b7c707d838cca01bbc29491d5cca2ff3babd5c9d108d36e00e62b73d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:b2d77f498d7b9feb0327a14b64348e475458f7066f0dac14e499e41341795765- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140308090
- Bitcoin block existence check
- https://blockstream.info/api/block/953528
Full record
Track page: Le nozze di Figaro, K. 492, Atto I Scena 4: Recitativo. Tutto ancor non ho perso (Marcellina, Susanna) · Machine-readable JSON-LD