ISRC ITK262200109
Verified recording
ITK262200109 is “Prelude in E minor, Op 28, No. 4” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x1862da470df779c4af2cfd65cc60f3a0406be833150f20b15ed98d1527ceb8bc and independently timestamped
in Bitcoin block 959144 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITK262200109.
Recording identifiers
- ISRC
- ITK262200109
- Title
- Prelude in E minor, Op 28, No. 4
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x1862da470df779c4af2cfd65cc60f3a0406be833150f20b15ed98d1527ceb8bc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T15:38:35+00:00
- Bitcoin block
- 959144
- Canonical record hash
sha256:eb4694eb62d9006db663140b484fd4d757a90a8d1ed70e646aa43fc83ad9c294- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITK262200109
- Bitcoin block existence check
- https://blockstream.info/api/block/959144
Full record
Track page: Prelude in E minor, Op 28, No. 4 · Machine-readable JSON-LD