ISRC HKI191904912
Verified recording
HKI191904912 is “13 Préludes, Op. 32: No. 1 in C Major. Allegro vivace” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x3f639bbaa05e802711946d6eb026f5ddffdf989320aa5b4ca3a9eaef3ca71cc8 and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191904912.
Recording identifiers
- ISRC
- HKI191904912
- Title
- 13 Préludes, Op. 32: No. 1 in C Major. Allegro vivace
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x3f639bbaa05e802711946d6eb026f5ddffdf989320aa5b4ca3a9eaef3ca71cc8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:70e2470ea5d3a459ae844780844ec734887967e8ad950ef019ea8876fcd8038d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191904912
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: 13 Préludes, Op. 32: No. 1 in C Major. Allegro vivace · Machine-readable JSON-LD