ISRC FRZ130948190
Verified recording
FRZ130948190 is “24 Prelude, Op. 28: No 4, Largo in E Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x9f460e939b0e51cdf0f85fb5bd499ccd383cdd3fc9b1c510af80f0ee71d50977 and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130948190.
Recording identifiers
- ISRC
- FRZ130948190
- Title
- 24 Prelude, Op. 28: No 4, Largo in E Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x9f460e939b0e51cdf0f85fb5bd499ccd383cdd3fc9b1c510af80f0ee71d50977
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:bbd1545ba33ac69e1e9200adc825ba11dbdd20f4bedf76fb9735af5658d789e3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130948190
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: 24 Prelude, Op. 28: No 4, Largo in E Minor · Machine-readable JSON-LD