ISRC DEF059303724

Verified recording

DEF059303724 is “String Quartet in A, HIII No. 36, Op. 20 No. 6: 4. Fuga a 3 soggetti. Allegro” by Joseph Haydn, registered on the CopyrightChains blockchain with CopyrightID 0xa272581720ae3ef4dfb944e92bce437b51114d59c0b42d84b6c34af2490cedb3 and independently timestamped in Bitcoin block 957124 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059303724.

Recording identifiers

ISRC
DEF059303724
Title
String Quartet in A, HIII No. 36, Op. 20 No. 6: 4. Fuga a 3 soggetti. Allegro
Artist
Joseph Haydn
CopyrightID (CopyrightChains transaction hash)
0xa272581720ae3ef4dfb944e92bce437b51114d59c0b42d84b6c34af2490cedb3

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27+00:00
Bitcoin block
957124
Canonical record hash
sha256:2b7ebc9cbe221b6bfe819594fc3c35a51ddec536d9ae329ad79c122746e95618
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059303724
Bitcoin block existence check
https://blockstream.info/api/block/957124

Full record

Track page: String Quartet in A, HIII No. 36, Op. 20 No. 6: 4. Fuga a 3 soggetti. Allegro · Machine-readable JSON-LD