ISRC DEF055590223
Verified recording
DEF055590223 is “24 Préludes, Op. 28: 23. In F Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x4bc31c964a8f0f999684ece4265cd5998d2b91213b1dc0b6ecd8c1dfd817d0fb and independently timestamped
in Bitcoin block 956375 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055590223.
Recording identifiers
- ISRC
- DEF055590223
- Title
- 24 Préludes, Op. 28: 23. In F Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x4bc31c964a8f0f999684ece4265cd5998d2b91213b1dc0b6ecd8c1dfd817d0fb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T16:51:38+00:00
- Bitcoin block
- 956375
- Canonical record hash
sha256:9c9e149fe89e2eeef8ebffc55f7e17ba23d32e372d47309022be5ae8acc30a90- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055590223
- Bitcoin block existence check
- https://blockstream.info/api/block/956375
Full record
Track page: 24 Préludes, Op. 28: 23. In F Major · Machine-readable JSON-LD