ISRC FRZ119603460
Verified recording
FRZ119603460 is “Chopin: 2 Polonaises, Op. 40: No. 1 in A Major "Military"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x18c73ad87825fae3d7d30ea25b3a6bf7070f47355f5b3392e9a75d8aebd64630 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/FRZ119603460.
Recording identifiers
- ISRC
- FRZ119603460
- Title
- Chopin: 2 Polonaises, Op. 40: No. 1 in A Major "Military"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x18c73ad87825fae3d7d30ea25b3a6bf7070f47355f5b3392e9a75d8aebd64630
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:5b4727d50972d4f42c524c2860f8c775ef36994ca698adc387920b064437b28b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119603460
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Chopin: 2 Polonaises, Op. 40: No. 1 in A Major "Military" · Machine-readable JSON-LD