ISRC HKI192300331
Verified recording
HKI192300331 is “Piano Concerto No. 4 in G Minor, Op. 40 (1941 Version): II. Largo” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0xde5fce419957b0d7130819098fb68f6dc3f607c30c2011f2c07e094767243025 and independently timestamped
in Bitcoin block 960376 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192300331.
Recording identifiers
- ISRC
- HKI192300331
- Title
- Piano Concerto No. 4 in G Minor, Op. 40 (1941 Version): II. Largo
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0xde5fce419957b0d7130819098fb68f6dc3f607c30c2011f2c07e094767243025
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:09:19+00:00
- Bitcoin block
- 960376
- Canonical record hash
sha256:efc660b6d7930e18857009606040c192b88a170e227b812e4da059fa6d60a55e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192300331
- Bitcoin block existence check
- https://blockstream.info/api/block/960376
Full record
Track page: Piano Concerto No. 4 in G Minor, Op. 40 (1941 Version): II. Largo · Machine-readable JSON-LD