ISRC FRZ209908216
Verified recording
FRZ209908216 is “Chopin: 12 Études, Op. 25: No. 4 in A Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xa14ed7b79112ab8ea9a8678457a7cb0c733633c9ec0ab00846b7a93d7706e328 and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908216.
Recording identifiers
- ISRC
- FRZ209908216
- Title
- Chopin: 12 Études, Op. 25: No. 4 in A Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xa14ed7b79112ab8ea9a8678457a7cb0c733633c9ec0ab00846b7a93d7706e328
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:c1d6a97cbf33e853c879b8746ed44bb263bd01f58d23ce9f6eedc9a8447b17d4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908216
- Bitcoin block existence check
- https://blockstream.info/api/block/960160
Full record
Track page: Chopin: 12 Études, Op. 25: No. 4 in A Minor · Machine-readable JSON-LD