ISRC HKI190743402
Verified recording
HKI190743402 is “Keyboard Concerto in F Major, Hob.XVIII:3: II. Largo cantabile” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x1077ce20f6d362c8a8e1679468334f2b2138a5ab72bf3f5e5bcf13902ca1b895 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190743402.
Recording identifiers
- ISRC
- HKI190743402
- Title
- Keyboard Concerto in F Major, Hob.XVIII:3: II. Largo cantabile
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x1077ce20f6d362c8a8e1679468334f2b2138a5ab72bf3f5e5bcf13902ca1b895
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:6e40e512208b555c29d600dd61571ca22247ab0352a5ac1de7f2938f54db50cd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190743402
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Keyboard Concerto in F Major, Hob.XVIII:3: II. Largo cantabile · Machine-readable JSON-LD