ISRC USBC19705208
Verified recording
USBC19705208 is “24 Preludes, Op. 28: Prelude No. 2 in A minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x37486712eaa5e65cee97a143aa8bc88df55118d5e83f26d3462ab832ea08f276 and independently timestamped
in Bitcoin block 959163 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19705208.
Recording identifiers
- ISRC
- USBC19705208
- Title
- 24 Preludes, Op. 28: Prelude No. 2 in A minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x37486712eaa5e65cee97a143aa8bc88df55118d5e83f26d3462ab832ea08f276
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T18:47:29+00:00
- Bitcoin block
- 959163
- Canonical record hash
sha256:bc96aec1c37ef196c6a2f89c35240efa27309692c631294aadfe509c75977e40- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19705208
- Bitcoin block existence check
- https://blockstream.info/api/block/959163
Full record
Track page: 24 Preludes, Op. 28: Prelude No. 2 in A minor · Machine-readable JSON-LD