ISRC USBC19705229
Verified recording
USBC19705229 is “24 Preludes, Op. 28: Prelude No. 23 in F” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x1a08ccab8a9f288b40350f0f8fe0f732c62c5b06f1acb4853bb6ab41d1365a0c and independently timestamped
in Bitcoin block 960150 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19705229.
Recording identifiers
- ISRC
- USBC19705229
- Title
- 24 Preludes, Op. 28: Prelude No. 23 in F
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x1a08ccab8a9f288b40350f0f8fe0f732c62c5b06f1acb4853bb6ab41d1365a0c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:51:49+00:00
- Bitcoin block
- 960150
- Canonical record hash
sha256:f169290c0beb166a767e17146f6d94eca61c12a9305ebb94030c7aac96248e27- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19705229
- Bitcoin block existence check
- https://blockstream.info/api/block/960150
Full record
Track page: 24 Preludes, Op. 28: Prelude No. 23 in F · Machine-readable JSON-LD