ISRC DEF059002693
Verified recording
DEF059002693 is “4 Impromptus, D. 899 (Op. 90): No. 3 in G-Flat Major. Andante” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x7dd17b568c499c9b9c58bba07b69cb832ef6dad9433509d70a7cdc2cabb95e61 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/DEF059002693.
Recording identifiers
- ISRC
- DEF059002693
- Title
- 4 Impromptus, D. 899 (Op. 90): No. 3 in G-Flat Major. Andante
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x7dd17b568c499c9b9c58bba07b69cb832ef6dad9433509d70a7cdc2cabb95e61
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1ccc17738123b5b50a93133089714728556b0110106d46eb7a0c298edad2d615- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059002693
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 4 Impromptus, D. 899 (Op. 90): No. 3 in G-Flat Major. Andante · Machine-readable JSON-LD