ISRC HKI191201202
Verified recording
HKI191201202 is “Studio per il pianoforte, Book 1, Op. 30: No. 2 in E Minor” by Johann Baptist Cramer,
registered on the CopyrightChains blockchain with CopyrightID
0x7e49f4b3e29ffa66279e026bec3a0ff54cd79ab12e51e186beede1f2c2f68610 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/HKI191201202.
Recording identifiers
- ISRC
- HKI191201202
- Title
- Studio per il pianoforte, Book 1, Op. 30: No. 2 in E Minor
- Artist
- Johann Baptist Cramer
- CopyrightID (CopyrightChains transaction hash)
0x7e49f4b3e29ffa66279e026bec3a0ff54cd79ab12e51e186beede1f2c2f68610
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:b146515988e11e7ef3b07db90254ec29ca8aa423ae2662a2fcc61a3abb4cc36b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191201202
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Studio per il pianoforte, Book 1, Op. 30: No. 2 in E Minor · Machine-readable JSON-LD