ISRC FRZ209102001

Verified recording

FRZ209102001 is “Mozart: Così fan tutte, K. 588, Act 1: "Ah, guarda, sorella" (Fiordiligi, Dorabella)” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0x4a9c734833c1ab7c653805d94867260b7ac03c0a3055b44f17de241524da0a9a and independently timestamped in Bitcoin block 957118 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209102001.

Recording identifiers

ISRC
FRZ209102001
Title
Mozart: Così fan tutte, K. 588, Act 1: "Ah, guarda, sorella" (Fiordiligi, Dorabella)
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0x4a9c734833c1ab7c653805d94867260b7ac03c0a3055b44f17de241524da0a9a

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:967f27b8c412d68d184b5d9f02aa2afcbbb2b02ddf4fdb7f081a0e38c38b46f3
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209102001
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Mozart: Così fan tutte, K. 588, Act 1: "Ah, guarda, sorella" (Fiordiligi, Dorabella) · Machine-readable JSON-LD