ISRC DEF055003062

Verified recording

DEF055003062 is “String Quartet No. 12 In F Major, Op. 96 - "American" B.179: 2. Lento” by Antonín Dvořák, registered on the CopyrightChains blockchain with CopyrightID 0xb6acc0dcb6af7e9f805299e3ca1951e5d140cba9cc382e9ac3dd05de3028eee8 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/DEF055003062.

Recording identifiers

ISRC
DEF055003062
Title
String Quartet No. 12 In F Major, Op. 96 - "American" B.179: 2. Lento
Artist
Antonín Dvořák
CopyrightID (CopyrightChains transaction hash)
0xb6acc0dcb6af7e9f805299e3ca1951e5d140cba9cc382e9ac3dd05de3028eee8

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:772152e2b352117fd6b3b5c43eb94c3252fa710f4e41fef5dfe0ecc2e60e3f21
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055003062
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: String Quartet No. 12 In F Major, Op. 96 - "American" B.179: 2. Lento · Machine-readable JSON-LD