ISRC USBC19300510
Verified recording
USBC19300510 is “Mazurka No. 3 in F-Sharp Minor, Op. 59” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x4f3495c20a5bd3c37cb7167391047429670113f90b84fe23a3985e2135b1ee6a and independently timestamped
in Bitcoin block 960095 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19300510.
Recording identifiers
- ISRC
- USBC19300510
- Title
- Mazurka No. 3 in F-Sharp Minor, Op. 59
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x4f3495c20a5bd3c37cb7167391047429670113f90b84fe23a3985e2135b1ee6a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:07:37+00:00
- Bitcoin block
- 960095
- Canonical record hash
sha256:dd7735317c89642df47f6fcee5a95dab43167dd1479392987f6fbd8fb23f1664- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19300510
- Bitcoin block existence check
- https://blockstream.info/api/block/960095
Full record
Track page: Mazurka No. 3 in F-Sharp Minor, Op. 59 · Machine-readable JSON-LD