ISRC DEF057700410
Verified recording
DEF057700410 is “4 Impromptus Op. 142, D.935: No. 3 In B Flat: Theme (Andante) With Variations” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x9dd452579a19866931f0984651b5dd3eb719aee091eaf4cfac9fc4387341f781 and independently timestamped
in Bitcoin block 960500 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057700410.
Recording identifiers
- ISRC
- DEF057700410
- Title
- 4 Impromptus Op. 142, D.935: No. 3 In B Flat: Theme (Andante) With Variations
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x9dd452579a19866931f0984651b5dd3eb719aee091eaf4cfac9fc4387341f781
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:13:03+00:00
- Bitcoin block
- 960500
- Canonical record hash
sha256:1e45340a31af9912129c794e6a92f318c68d5f0e9244b17a68d885ef682dee62- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057700410
- Bitcoin block existence check
- https://blockstream.info/api/block/960500
Full record
Track page: 4 Impromptus Op. 142, D.935: No. 3 In B Flat: Theme (Andante) With Variations · Machine-readable JSON-LD