ISRC DEF059703233

Verified recording

DEF059703233 is “4 Impromptus Op. 142, D. 935: No. 3 in B-Flat Major: Theme (Andante) With Variations” by Franz Schubert, registered on the CopyrightChains blockchain with CopyrightID 0xad3212d46b5f3c1ca6c28810e1ab5a1558a0d29bb220baf3041f52e352eef9d5 and independently timestamped in Bitcoin block 957120 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059703233.

Recording identifiers

ISRC
DEF059703233
Title
4 Impromptus Op. 142, D. 935: No. 3 in B-Flat Major: Theme (Andante) With Variations
Artist
Franz Schubert
CopyrightID (CopyrightChains transaction hash)
0xad3212d46b5f3c1ca6c28810e1ab5a1558a0d29bb220baf3041f52e352eef9d5

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41+00:00
Bitcoin block
957120
Canonical record hash
sha256:4819db8e98d42351616ee8e4e5bb2f8ec090072534ab63c83e39bcf30184a590
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059703233
Bitcoin block existence check
https://blockstream.info/api/block/957120

Full record

Track page: 4 Impromptus Op. 142, D. 935: No. 3 in B-Flat Major: Theme (Andante) With Variations · Machine-readable JSON-LD