ISRC DEF059302654
Verified recording
DEF059302654 is “Piano Quartet In E Flat, Op. 87, B. 162: 4. Finale: Allegro ma non troppo” by Antonín Dvořák,
registered on the CopyrightChains blockchain with CopyrightID
0x3b13f6fcfbaa20dfa0520caea23f4508d42c444a5e9071c135b5cd3c61fe364d and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059302654.
Recording identifiers
- ISRC
- DEF059302654
- Title
- Piano Quartet In E Flat, Op. 87, B. 162: 4. Finale: Allegro ma non troppo
- Artist
- Antonín Dvořák
- CopyrightID (CopyrightChains transaction hash)
0x3b13f6fcfbaa20dfa0520caea23f4508d42c444a5e9071c135b5cd3c61fe364d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:6f39d364f0732525b3967e7c476d5150af282e659dfc777c17270c45ba54efd2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059302654
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano Quartet In E Flat, Op. 87, B. 162: 4. Finale: Allegro ma non troppo · Machine-readable JSON-LD