ISRC CH6542271750
Verified recording
CH6542271750 is “Preludes, Op. 32: Prelude in G-Sharp Minor, Op. 32, No. 12, Allegro” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x1110b7b7d9b7dbee6882ad90f403c3ca02e589f7f96cbc3d43b0233ad8417b2e and independently timestamped
in Bitcoin block 960422 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6542271750.
Recording identifiers
- ISRC
- CH6542271750
- Title
- Preludes, Op. 32: Prelude in G-Sharp Minor, Op. 32, No. 12, Allegro
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x1110b7b7d9b7dbee6882ad90f403c3ca02e589f7f96cbc3d43b0233ad8417b2e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:27:29+00:00
- Bitcoin block
- 960422
- Canonical record hash
sha256:4a54e09b6485d2c6f962cd42d22e8a7b19832d65e46334b6637a34da12be9cd7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6542271750
- Bitcoin block existence check
- https://blockstream.info/api/block/960422
Full record
Track page: Preludes, Op. 32: Prelude in G-Sharp Minor, Op. 32, No. 12, Allegro · Machine-readable JSON-LD