ISRC HKI192434301

Verified recording

HKI192434301 is “Piano Sonata No. 1 in D Minor, Op. 28: I. Allegro moderato” by Sergei Rachmaninoff, registered on the CopyrightChains blockchain with CopyrightID 0x6e1eec8400e6363a91c25e35b7745e3d7b046654028a1f3f0a63739a1673f002 and independently timestamped in Bitcoin block 956304 on 2026-07-02. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192434301.

Recording identifiers

ISRC
HKI192434301
Title
Piano Sonata No. 1 in D Minor, Op. 28: I. Allegro moderato
Artist
Sergei Rachmaninoff
CopyrightID (CopyrightChains transaction hash)
0x6e1eec8400e6363a91c25e35b7745e3d7b046654028a1f3f0a63739a1673f002

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08+00:00
Bitcoin block
956304
Canonical record hash
sha256:22cb35ace61ec7ed747578b2e18e7ad82f6a81282cc99e714d25f8fefb7dfd6f
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192434301
Bitcoin block existence check
https://blockstream.info/api/block/956304

Full record

Track page: Piano Sonata No. 1 in D Minor, Op. 28: I. Allegro moderato · Machine-readable JSON-LD