ISRC FRZ148012010

Verified recording

FRZ148012010 is “Duo No. 1 pour Violon et Alto en Sol Majeur, K.423: I. Allegro” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0x51730b48f1801c55aff281a4854abd47741bfec16cc3beea39d97b10fe42f670 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/FRZ148012010.

Recording identifiers

ISRC
FRZ148012010
Title
Duo No. 1 pour Violon et Alto en Sol Majeur, K.423: I. Allegro
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0x51730b48f1801c55aff281a4854abd47741bfec16cc3beea39d97b10fe42f670

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:d1e2384be1f956a92481b4d2533bf7d4b25851bade97e83243102abb5aca9b36
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ148012010
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Duo No. 1 pour Violon et Alto en Sol Majeur, K.423: I. Allegro · Machine-readable JSON-LD