ISRC ES17B2400445
Verified recording
ES17B2400445 is “Guitar Sonatina, Op. 1 No. 1: II. Rondo. Allegretto” by Matteo Carcassi,
registered on the CopyrightChains blockchain with CopyrightID
0xc667e8b4de82abda4f677bd7ecd424a614ee0bb9662beb04990bef1ced456d1d and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES17B2400445.
Recording identifiers
- ISRC
- ES17B2400445
- Title
- Guitar Sonatina, Op. 1 No. 1: II. Rondo. Allegretto
- Artist
- Matteo Carcassi
- CopyrightID (CopyrightChains transaction hash)
0xc667e8b4de82abda4f677bd7ecd424a614ee0bb9662beb04990bef1ced456d1d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:6ae306706e1a9436dc42b8f6da9df861bd967da9d0d1d0493abad3e1cb5a4ee1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES17B2400445
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Guitar Sonatina, Op. 1 No. 1: II. Rondo. Allegretto · Machine-readable JSON-LD