ISRC USBC19901776
Verified recording
USBC19901776 is “24 Preludes, Op. 28: Prelude No. 2 in A Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x5b2c16f5d423a6bda1d782879f28d72a514231e67d6d6e7057ddcb0fbded9ca8 and independently timestamped
in Bitcoin block 960145 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19901776.
Recording identifiers
- ISRC
- USBC19901776
- Title
- 24 Preludes, Op. 28: Prelude No. 2 in A Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x5b2c16f5d423a6bda1d782879f28d72a514231e67d6d6e7057ddcb0fbded9ca8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:13:37+00:00
- Bitcoin block
- 960145
- Canonical record hash
sha256:7f5228676b695a5e14b7216c6ae615ff9ba2b5a57914160abd7ab03ec1ad8b27- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19901776
- Bitcoin block existence check
- https://blockstream.info/api/block/960145
Full record
Track page: 24 Preludes, Op. 28: Prelude No. 2 in A Minor · Machine-readable JSON-LD