ISRC FR9W13800019
Verified recording
FR9W13800019 is “Ballade No. 4 in F Minor, Op. 52” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x117c6b2feca07c07e3708bdf3f99fa1d8a47474c099ac523133eae7de9dc33a8 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/FR9W13800019.
Recording identifiers
- ISRC
- FR9W13800019
- Title
- Ballade No. 4 in F Minor, Op. 52
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x117c6b2feca07c07e3708bdf3f99fa1d8a47474c099ac523133eae7de9dc33a8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:ca17afb28accc717ddcdc48fb74e900a0f36368b3d0901ba6e801f3ea0924b69- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W13800019
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Ballade No. 4 in F Minor, Op. 52 · Machine-readable JSON-LD