ISRC HKI199612306
Verified recording
HKI199612306 is “Cello Concerto in C Major, Badley C3: III. Vivace” by Leopold Hofmann,
registered on the CopyrightChains blockchain with CopyrightID
0x2ecfcd61c5e0953ffb3a0a7c11d5ef293053abb5bcd382cfe4b979b2f1644df3 and independently timestamped
in Bitcoin block 957124 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199612306.
Recording identifiers
- ISRC
- HKI199612306
- Title
- Cello Concerto in C Major, Badley C3: III. Vivace
- Artist
- Leopold Hofmann
- CopyrightID (CopyrightChains transaction hash)
0x2ecfcd61c5e0953ffb3a0a7c11d5ef293053abb5bcd382cfe4b979b2f1644df3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:53:27+00:00
- Bitcoin block
- 957124
- Canonical record hash
sha256:155891d86df96db8abf0789a7e365be4ecded9b4e406e47964476d6d0bdadfcf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199612306
- Bitcoin block existence check
- https://blockstream.info/api/block/957124
Full record
Track page: Cello Concerto in C Major, Badley C3: III. Vivace · Machine-readable JSON-LD