ISRC HKI192044805
Verified recording
HKI192044805 is “Piano Sonata No. 21 in C Major, Op. 53 "Waldstein": I. Allegro con brio” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x79a3281c7865301607f30280c39f5f5aaa89f31da881a6a32a548beba484d10a and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192044805.
Recording identifiers
- ISRC
- HKI192044805
- Title
- Piano Sonata No. 21 in C Major, Op. 53 "Waldstein": I. Allegro con brio
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x79a3281c7865301607f30280c39f5f5aaa89f31da881a6a32a548beba484d10a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:d90005ba979849481227c1f86d3e663e60bdb311019f71800e430fa1a79a6978- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192044805
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Piano Sonata No. 21 in C Major, Op. 53 "Waldstein": I. Allegro con brio · Machine-readable JSON-LD