ISRC CZA167702168
Verified recording
CZA167702168 is “24 Preludes for Piano, Op. 28: No. 2 in A Minor, Lento” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x75925c6ee30bd55947b14e31f140237ff5d209d337e17c9039a11622edaec08f and independently timestamped
in Bitcoin block 960404 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167702168.
Recording identifiers
- ISRC
- CZA167702168
- Title
- 24 Preludes for Piano, Op. 28: No. 2 in A Minor, Lento
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x75925c6ee30bd55947b14e31f140237ff5d209d337e17c9039a11622edaec08f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:06:57+00:00
- Bitcoin block
- 960404
- Canonical record hash
sha256:ce7855a1082bb352e86ee107ae5264c3d55317d037bdee6b01e76563ac4d9f38- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167702168
- Bitcoin block existence check
- https://blockstream.info/api/block/960404
Full record
Track page: 24 Preludes for Piano, Op. 28: No. 2 in A Minor, Lento · Machine-readable JSON-LD