ISRC CZA167704168
Verified recording
CZA167704168 is “24 Preludes for Piano, Op. 28: No. 4 in E Minor, Largo” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x8316896dca83c6cd1416ab952aa52213e365946c4f56e2c03fd622e9d2a1f426 and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167704168.
Recording identifiers
- ISRC
- CZA167704168
- Title
- 24 Preludes for Piano, Op. 28: No. 4 in E Minor, Largo
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x8316896dca83c6cd1416ab952aa52213e365946c4f56e2c03fd622e9d2a1f426
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:393efbfa539fc6bd7013075d1e1968f86b6d30b9a8ad54429358e11c3e4b08d9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167704168
- Bitcoin block existence check
- https://blockstream.info/api/block/960344
Full record
Track page: 24 Preludes for Piano, Op. 28: No. 4 in E Minor, Largo · Machine-readable JSON-LD