ISRC FR7JM2165050

Verified recording

FR7JM2165050 is “String Quartet No.17 in B-Flat Major, K. 458 "Hunt": I. Allegro vivace assai” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0xa4c3cbf416ed9c05b67f414a9c190a099c9014c39b7a541cb524d26f7f309988 and independently timestamped in Bitcoin block 957120 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2165050.

Recording identifiers

ISRC
FR7JM2165050
Title
String Quartet No.17 in B-Flat Major, K. 458 "Hunt": I. Allegro vivace assai
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0xa4c3cbf416ed9c05b67f414a9c190a099c9014c39b7a541cb524d26f7f309988

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41+00:00
Bitcoin block
957120
Canonical record hash
sha256:60f9e8b07e742be44f8ea598c3ced864350da7224863f54824474534998544ff
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM2165050
Bitcoin block existence check
https://blockstream.info/api/block/957120

Full record

Track page: String Quartet No.17 in B-Flat Major, K. 458 "Hunt": I. Allegro vivace assai · Machine-readable JSON-LD