ISRC HKI191201201
Verified recording
HKI191201201 is “Studio per il pianoforte, Book 1, Op. 30: No. 1 in C Major” by Johann Baptist Cramer,
registered on the CopyrightChains blockchain with CopyrightID
0x3d6e150bcfa9ae4647e067954d82a005e05d269addb5426bfe632a7d390b9d93 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/HKI191201201.
Recording identifiers
- ISRC
- HKI191201201
- Title
- Studio per il pianoforte, Book 1, Op. 30: No. 1 in C Major
- Artist
- Johann Baptist Cramer
- CopyrightID (CopyrightChains transaction hash)
0x3d6e150bcfa9ae4647e067954d82a005e05d269addb5426bfe632a7d390b9d93
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:4ece342f73e58e5bebc844ed2ceac95834a03cca900cf36ddfd749d5dfd83e59- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191201201
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Studio per il pianoforte, Book 1, Op. 30: No. 1 in C Major · Machine-readable JSON-LD