ISRC CAJ720739706
Verified recording
CAJ720739706 is “Étude No. 19: Allegretto (Arr. by Roland Dyens)” by Fernando Sor,
registered on the CopyrightChains blockchain with CopyrightID
0x664168b4186dcdbfb0ac0c58b45301685e73c4307dd004e7b8b66e06b5945602 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/CAJ720739706.
Recording identifiers
- ISRC
- CAJ720739706
- Title
- Étude No. 19: Allegretto (Arr. by Roland Dyens)
- Artist
- Fernando Sor
- CopyrightID (CopyrightChains transaction hash)
0x664168b4186dcdbfb0ac0c58b45301685e73c4307dd004e7b8b66e06b5945602
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:d650b18bdae2c4ebec908794d051ca02345c3f0f9e9b21125d343672c7ebfd8d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ720739706
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Étude No. 19: Allegretto (Arr. by Roland Dyens) · Machine-readable JSON-LD