ISRC CH6542271692
Verified recording
CH6542271692 is “Preludes, Op. 23: Prelude, Op. 23 in D Major, No. 4, Andante Cantabile” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x30653aa32ccc3860fe93c72d45227fd360bfa56cf368780e244aca68acbc7643 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6542271692.
Recording identifiers
- ISRC
- CH6542271692
- Title
- Preludes, Op. 23: Prelude, Op. 23 in D Major, No. 4, Andante Cantabile
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x30653aa32ccc3860fe93c72d45227fd360bfa56cf368780e244aca68acbc7643
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1e1bfc1f4f4e0eb99d0919f12ecb5c473a02011ef2e2c343b4f76f7b6650d3cc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6542271692
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Preludes, Op. 23: Prelude, Op. 23 in D Major, No. 4, Andante Cantabile · Machine-readable JSON-LD