ISRC FRZ178530310
Verified recording
FRZ178530310 is “Barre: Ronds de jambe à terre, Mazurka en Do dièse mineur” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x4efe2c9bf7f26ee7e8b50a4647d43f2c6ae00637f5496ba4464687039b3f4f04 and independently timestamped
in Bitcoin block 960311 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ178530310.
Recording identifiers
- ISRC
- FRZ178530310
- Title
- Barre: Ronds de jambe à terre, Mazurka en Do dièse mineur
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x4efe2c9bf7f26ee7e8b50a4647d43f2c6ae00637f5496ba4464687039b3f4f04
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:45:02+00:00
- Bitcoin block
- 960311
- Canonical record hash
sha256:eece41074ee1edc392257b57e187bc696d934c1db0ee1c3b3fa82f80338c242e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ178530310
- Bitcoin block existence check
- https://blockstream.info/api/block/960311
Full record
Track page: Barre: Ronds de jambe à terre, Mazurka en Do dièse mineur · Machine-readable JSON-LD