ISRC HKI199751607

Verified recording

HKI199751607 is “Piano Sonata No. 1 in E-Flat Major, Op. 1 No. 1, H. 8A: II. Rondo. Allegro” by John Field, registered on the CopyrightChains blockchain with CopyrightID 0x91c6a0079f1205122d151b62452d4064716c096efc06f41ef100757ada567387 and independently timestamped in Bitcoin block 960459 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199751607.

Recording identifiers

ISRC
HKI199751607
Title
Piano Sonata No. 1 in E-Flat Major, Op. 1 No. 1, H. 8A: II. Rondo. Allegro
Artist
John Field
CopyrightID (CopyrightChains transaction hash)
0x91c6a0079f1205122d151b62452d4064716c096efc06f41ef100757ada567387

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T20:22:46+00:00
Bitcoin block
960459
Canonical record hash
sha256:9c0d918b7eb47473196afc723de0bcfe225cdd880d028b2d7a4945582211c261
Verification API (seven-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199751607
Bitcoin block existence check
https://blockstream.info/api/block/960459

Full record

Track page: Piano Sonata No. 1 in E-Flat Major, Op. 1 No. 1, H. 8A: II. Rondo. Allegro · Machine-readable JSON-LD