ISRC DEF058101190
Verified recording
DEF058101190 is “Nocturne No. 19 in E Minor, Op. 72 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x3571751e0c447a72380f506eef7d468d9dab5f89f3e952fd1efc3cfcdfc73451 and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058101190.
Recording identifiers
- ISRC
- DEF058101190
- Title
- Nocturne No. 19 in E Minor, Op. 72 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x3571751e0c447a72380f506eef7d468d9dab5f89f3e952fd1efc3cfcdfc73451
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:0211d340db5d816ce776bd9b03d131f565f202c7e25850702f120450a9bde49a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058101190
- Bitcoin block existence check
- https://blockstream.info/api/block/960473
Full record
Track page: Nocturne No. 19 in E Minor, Op. 72 No. 1 · Machine-readable JSON-LD