ISRC FRZ111001515
Verified recording
FRZ111001515 is “Chopin: 24 Preludes, Op. 28: No. 20 in C Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xf93f2d712a1e5db9483681f9ddc6b8a94a63f98f6b756b2838a49640a770b13c and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001515.
Recording identifiers
- ISRC
- FRZ111001515
- Title
- Chopin: 24 Preludes, Op. 28: No. 20 in C Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xf93f2d712a1e5db9483681f9ddc6b8a94a63f98f6b756b2838a49640a770b13c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:8d6291de0354ead12b5114ad4c97d8bfe5d7d327a2de7fce5e0bc2534a9cae9b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001515
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Chopin: 24 Preludes, Op. 28: No. 20 in C Minor · Machine-readable JSON-LD