ISRC DEF059304891
Verified recording
DEF059304891 is “Piano Quintet in E flat, Op. 44: 1. Allegro brillante” by Robert Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0x6689ce8ee01b3c00f90fc98abf3e06bd9461749914147c3d1fa5a43b669aadc4 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304891.
Recording identifiers
- ISRC
- DEF059304891
- Title
- Piano Quintet in E flat, Op. 44: 1. Allegro brillante
- Artist
- Robert Schumann
- CopyrightID (CopyrightChains transaction hash)
0x6689ce8ee01b3c00f90fc98abf3e06bd9461749914147c3d1fa5a43b669aadc4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:e88962dbdfac6ca2a0fb62f519d286549a239cd90a5cf596b913f3c99c93acc8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304891
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Piano Quintet in E flat, Op. 44: 1. Allegro brillante · Machine-readable JSON-LD