ISRC HKI190445802
Verified recording
HKI190445802 is “Keyboard Sonata in D Minor, Wq. 51/4, H. 128, "Fortsetzung Sonata No. 4": II. Largo e sostenuto” by Carl Philipp Emanuel Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x55fd37852ab8146d83970c94b554f9c6ff224f3653092625cf1b9d9c56da805b and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190445802.
Recording identifiers
- ISRC
- HKI190445802
- Title
- Keyboard Sonata in D Minor, Wq. 51/4, H. 128, "Fortsetzung Sonata No. 4": II. Largo e sostenuto
- Artist
- Carl Philipp Emanuel Bach
- CopyrightID (CopyrightChains transaction hash)
0x55fd37852ab8146d83970c94b554f9c6ff224f3653092625cf1b9d9c56da805b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:c8b83fe1649a3b418378a9d8f4f48f822a35078329fa690c1edf789cae521b79- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190445802
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Keyboard Sonata in D Minor, Wq. 51/4, H. 128, "Fortsetzung Sonata No. 4": II. Largo e sostenuto · Machine-readable JSON-LD