ISRC HKI199513009
Verified recording
HKI199513009 is “Introduction to the Study of the guitar, Op. 60: No. 3 in C Major” by Fernando Sor,
registered on the CopyrightChains blockchain with CopyrightID
0x9a450e3ba537ac9c7aa5e4562be6091341db5c75d1c3bc0febcc4567dc7574db and independently timestamped
in Bitcoin block 960404 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199513009.
Recording identifiers
- ISRC
- HKI199513009
- Title
- Introduction to the Study of the guitar, Op. 60: No. 3 in C Major
- Artist
- Fernando Sor
- CopyrightID (CopyrightChains transaction hash)
0x9a450e3ba537ac9c7aa5e4562be6091341db5c75d1c3bc0febcc4567dc7574db
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:06:57+00:00
- Bitcoin block
- 960404
- Canonical record hash
sha256:c1fd3044eedecd3f62fd902f03d802c9c51bc5929b50746ffdd03bb5ceb88e84- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199513009
- Bitcoin block existence check
- https://blockstream.info/api/block/960404
Full record
Track page: Introduction to the Study of the guitar, Op. 60: No. 3 in C Major · Machine-readable JSON-LD