ISRC DEF059605581
Verified recording
DEF059605581 is “4 Impromptus, Op. 90, D. 899: No. 1 in C Minor: Allegro molto moderato” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x96228d38694c0891278ce17b24e736981c684e7850350dbb023342af1d7764e4 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059605581.
Recording identifiers
- ISRC
- DEF059605581
- Title
- 4 Impromptus, Op. 90, D. 899: No. 1 in C Minor: Allegro molto moderato
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x96228d38694c0891278ce17b24e736981c684e7850350dbb023342af1d7764e4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:7763c9f7ae1c0446e0f3322261338c2c9d9e8d811002efcd0c539c4dc9ba184f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059605581
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 4 Impromptus, Op. 90, D. 899: No. 1 in C Minor: Allegro molto moderato · Machine-readable JSON-LD