ISRC FRZ077201200
Verified recording
FRZ077201200 is “24 Préludes, Op. 28: No. 11 in B Major, Vivace” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x28e06e44e82cf2a694d805e2b2348996337ab9a8643d287cfcd7c921406ad6d4 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ077201200.
Recording identifiers
- ISRC
- FRZ077201200
- Title
- 24 Préludes, Op. 28: No. 11 in B Major, Vivace
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x28e06e44e82cf2a694d805e2b2348996337ab9a8643d287cfcd7c921406ad6d4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:a3ed83017ff9bdb716f374a0f3435414c30879a3ba595216042310baad015941- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ077201200
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: 24 Préludes, Op. 28: No. 11 in B Major, Vivace · Machine-readable JSON-LD