ISRC DEF057300111
Verified recording
DEF057300111 is “String Quartet No. 12 in F Major, Op. 96, B. 179 "American": I. Allegro ma non troppo” by Antonín Dvořák,
registered on the CopyrightChains blockchain with CopyrightID
0x4a40dcc044885f93168ec74549e0b024746153fb04efc2c3fc32086bdda80650 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057300111.
Recording identifiers
- ISRC
- DEF057300111
- Title
- String Quartet No. 12 in F Major, Op. 96, B. 179 "American": I. Allegro ma non troppo
- Artist
- Antonín Dvořák
- CopyrightID (CopyrightChains transaction hash)
0x4a40dcc044885f93168ec74549e0b024746153fb04efc2c3fc32086bdda80650
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:a9241f35a2ac49b501a56da789525de93b3428ab169f66cc7a8acdd09489c045- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057300111
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: String Quartet No. 12 in F Major, Op. 96, B. 179 "American": I. Allegro ma non troppo · Machine-readable JSON-LD