ISRC HKI199513010
Verified recording
HKI199513010 is “Introduction to the Study of the guitar, Op. 60: No. 4 in C Minor” by Fernando Sor,
registered on the CopyrightChains blockchain with CopyrightID
0xf2c04bf235592191113a313edda4ea2ecaa5ea767fb37fcaf32003e6bdbcb37f 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/HKI199513010.
Recording identifiers
- ISRC
- HKI199513010
- Title
- Introduction to the Study of the guitar, Op. 60: No. 4 in C Minor
- Artist
- Fernando Sor
- CopyrightID (CopyrightChains transaction hash)
0xf2c04bf235592191113a313edda4ea2ecaa5ea767fb37fcaf32003e6bdbcb37f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:cd81e0388dcdf83377f28e56a387bcd64768df809a8af1b9e697b0dc4c7d15b4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199513010
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Introduction to the Study of the guitar, Op. 60: No. 4 in C Minor · Machine-readable JSON-LD