ISRC CAJ721774402
Verified recording
CAJ721774402 is “Sonata a 3 No. 1 en mi mineur per violoncello concerto, violino concerto, e basso continuo: II. Allegro” by Otto Ernst Gregorius Schieferlein,
registered on the CopyrightChains blockchain with CopyrightID
0x029c0bbd19e4bcd19e528e50b50e31e786b1f3dfd4d48be204e3cd0c339f6efb 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/CAJ721774402.
Recording identifiers
- ISRC
- CAJ721774402
- Title
- Sonata a 3 No. 1 en mi mineur per violoncello concerto, violino concerto, e basso continuo: II. Allegro
- Artist
- Otto Ernst Gregorius Schieferlein
- CopyrightID (CopyrightChains transaction hash)
0x029c0bbd19e4bcd19e528e50b50e31e786b1f3dfd4d48be204e3cd0c339f6efb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:23e9d562cc0840488af6d183e25948b8c4204b372823ff4ee81a5a58a8d181ce- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ721774402
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Sonata a 3 No. 1 en mi mineur per violoncello concerto, violino concerto, e basso continuo: II. Allegro · Machine-readable JSON-LD