ISRC DEF059232018
Verified recording
DEF059232018 is “24 Préludes, Op. 28: No. 18 in F Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x87724021a29c7c4a437c6ef2e021d5e6396c9f3df37089f35605f05cf0fe2d3c and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059232018.
Recording identifiers
- ISRC
- DEF059232018
- Title
- 24 Préludes, Op. 28: No. 18 in F Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x87724021a29c7c4a437c6ef2e021d5e6396c9f3df37089f35605f05cf0fe2d3c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:55a6d81ecc346b705a3970075ddbb3d37a3adee84026ae9937ac6bebe2bfbb12- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059232018
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: 24 Préludes, Op. 28: No. 18 in F Minor · Machine-readable JSON-LD