ISRC DEF059304901
Verified recording
DEF059304901 is “Piano Quartet in E flat, Op. 47: 1. Sostenuto assai - Allegro ma non troppo” by Robert Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0x8a5161c52d511e7f0499118b6a8b58fb38731b6887946e399294c6c62af5d786 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/DEF059304901.
Recording identifiers
- ISRC
- DEF059304901
- Title
- Piano Quartet in E flat, Op. 47: 1. Sostenuto assai - Allegro ma non troppo
- Artist
- Robert Schumann
- CopyrightID (CopyrightChains transaction hash)
0x8a5161c52d511e7f0499118b6a8b58fb38731b6887946e399294c6c62af5d786
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:3b2aed3fcbcd5c9cdca278b91890b004000ec0578a5bbb20900edbf64a708cfe- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304901
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano Quartet in E flat, Op. 47: 1. Sostenuto assai - Allegro ma non troppo · Machine-readable JSON-LD