ISRC DEF055802010
Verified recording
DEF055802010 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
0x49c1b48c84f67b8f487b28dacfc252bea4d840728ae8c9e2d6c0bdc211aa757b and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055802010.
Recording identifiers
- ISRC
- DEF055802010
- Title
- 4 Impromptus, Op. 90, D.899: No. 1 in C minor: Allegro molto moderato
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x49c1b48c84f67b8f487b28dacfc252bea4d840728ae8c9e2d6c0bdc211aa757b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:71292c924fc6a056a96a1c999cfcce0aa7b8f9209b900ac1048cd5243643356d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055802010
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: 4 Impromptus, Op. 90, D.899: No. 1 in C minor: Allegro molto moderato · Machine-readable JSON-LD