ISRC DEF057530552
Verified recording
DEF057530552 is “24 Préludes, Op. 28: No. 15 in D-Flat Major : Sostenuto - Pt. 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xb3f734187e0fc34aaef3b05fafbf3fb9bed4afe2b07abff3d0192e64675ff447 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530552.
Recording identifiers
- ISRC
- DEF057530552
- Title
- 24 Préludes, Op. 28: No. 15 in D-Flat Major : Sostenuto - Pt. 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xb3f734187e0fc34aaef3b05fafbf3fb9bed4afe2b07abff3d0192e64675ff447
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:072025c3245d3a0d469c682d686fefa0a38058a9175bd248f1ae6a2b06fb3260- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530552
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 24 Préludes, Op. 28: No. 15 in D-Flat Major : Sostenuto - Pt. 2 · Machine-readable JSON-LD