ISRC HKI199213702
Verified recording
HKI199213702 is “Piano Concerto No. 3 in C Minor, Op. 37: Ii. Largo” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xb6ec30640489efe3a938885cb0fbd21d9dcd6c7b0ddf0de22c28885657af780f and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199213702.
Recording identifiers
- ISRC
- HKI199213702
- Title
- Piano Concerto No. 3 in C Minor, Op. 37: Ii. Largo
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xb6ec30640489efe3a938885cb0fbd21d9dcd6c7b0ddf0de22c28885657af780f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:80ef4157a6be84235f3571c5a72c235610524318776d331d312f28d5418498f9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199213702
- Bitcoin block existence check
- https://blockstream.info/api/block/960403
Full record
Track page: Piano Concerto No. 3 in C Minor, Op. 37: Ii. Largo · Machine-readable JSON-LD