ISRC FRZ119506140
Verified recording
FRZ119506140 is “Chopin: 24 Preludes, Op. 28: No. 4 in E Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x14d5d5928b3ac49a5fa42690c7f3d47567938977cd2adfe6dd17eb1dca440289 and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119506140.
Recording identifiers
- ISRC
- FRZ119506140
- Title
- Chopin: 24 Preludes, Op. 28: No. 4 in E Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x14d5d5928b3ac49a5fa42690c7f3d47567938977cd2adfe6dd17eb1dca440289
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:21bdc29c96e5cb5cb4b9df8f7dfb4499d65a501a8b1ede5b583ee059ada0ad99- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119506140
- Bitcoin block existence check
- https://blockstream.info/api/block/960291
Full record
Track page: Chopin: 24 Preludes, Op. 28: No. 4 in E Minor · Machine-readable JSON-LD