ISRC PLZ042100040
Verified recording
PLZ042100040 is “Koncert fortepianowy F Minor, Op. 21: I. Maestoso” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x2f0aef91e9d0a39f1106d78ae463ec306957f6acf391be30651ea08b924d4da1 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLZ042100040.
Recording identifiers
- ISRC
- PLZ042100040
- Title
- Koncert fortepianowy F Minor, Op. 21: I. Maestoso
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x2f0aef91e9d0a39f1106d78ae463ec306957f6acf391be30651ea08b924d4da1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:79a6c12cd7d0b3aa340c1db9c2c3b0e0fb90694d53ebd0ec830d0ec00ce5ac62- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLZ042100040
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Koncert fortepianowy F Minor, Op. 21: I. Maestoso · Machine-readable JSON-LD