ISRC US2TL0924604

Verified recording

US2TL0924604 is “String Quartet in F Major, Op. 3, No. 5, Hob.III:17, "Serenade": II. Serenade: Andante cantabile (attrib. to Hoffstetter)” by Joseph Haydn, registered on the CopyrightChains blockchain with CopyrightID 0xf0ceb7daf2c9a186d46f100c75be20134eb8a5bc1bb391a74efce7f959f08279 and independently timestamped in Bitcoin block 960455 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0924604.

Recording identifiers

ISRC
US2TL0924604
Title
String Quartet in F Major, Op. 3, No. 5, Hob.III:17, "Serenade": II. Serenade: Andante cantabile (attrib. to Hoffstetter)
Artist
Joseph Haydn
CopyrightID (CopyrightChains transaction hash)
0xf0ceb7daf2c9a186d46f100c75be20134eb8a5bc1bb391a74efce7f959f08279

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13+00:00
Bitcoin block
960455
Canonical record hash
sha256:aa8e8e2d606b549616de6cc0ff02199b363d3189c492561b0bd98d1e0ee03dc6
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0924604
Bitcoin block existence check
https://blockstream.info/api/block/960455

Full record

Track page: String Quartet in F Major, Op. 3, No. 5, Hob.III:17, "Serenade": II. Serenade: Andante cantabile (attrib. to Hoffstetter) · Machine-readable JSON-LD