ISRC DEF058403003

Verified recording

DEF058403003 is “String Quartet No. 12 In F Major, Op. 96, B. 179 - "American": 2. Lento” by Antonín Dvořák, registered on the CopyrightChains blockchain with CopyrightID 0x7ab60ec156225e3821f0d7198689d628ba95ab0db734bbc2cf0c0f75849e01c9 and independently timestamped in Bitcoin block 960203 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058403003.

Recording identifiers

ISRC
DEF058403003
Title
String Quartet No. 12 In F Major, Op. 96, B. 179 - "American": 2. Lento
Artist
Antonín Dvořák
CopyrightID (CopyrightChains transaction hash)
0x7ab60ec156225e3821f0d7198689d628ba95ab0db734bbc2cf0c0f75849e01c9

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T03:35:13+00:00
Bitcoin block
960203
Canonical record hash
sha256:1e572605ea07c7b5aebc4750e32b54e7553b0f1e7c1bef0b0ebd3739afc44aa2
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058403003
Bitcoin block existence check
https://blockstream.info/api/block/960203

Full record

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