ISRC DEF059232017
Verified recording
DEF059232017 is “24 Préludes, Op. 28: No. 17 in A-Flat Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x7c56d64d5f4758de11b40d9ac16e446039b11b72143103e0f36c911cdef31b11 and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059232017.
Recording identifiers
- ISRC
- DEF059232017
- Title
- 24 Préludes, Op. 28: No. 17 in A-Flat Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x7c56d64d5f4758de11b40d9ac16e446039b11b72143103e0f36c911cdef31b11
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:e250d863e97817bfeec6ecda1d6b2e157ed680665ddf21f4265c51b750001ee0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059232017
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: 24 Préludes, Op. 28: No. 17 in A-Flat Major · Machine-readable JSON-LD