ISRC DES381704002
Verified recording
DES381704002 is “Nocturne No. 2 in E-Flat Major, Op. 9: II. Andante” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x71d11cd37a561b6cbc2421af490d30e8b96ca8c46dd171a0a4bdd5b2d5abc63c and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES381704002.
Recording identifiers
- ISRC
- DES381704002
- Title
- Nocturne No. 2 in E-Flat Major, Op. 9: II. Andante
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x71d11cd37a561b6cbc2421af490d30e8b96ca8c46dd171a0a4bdd5b2d5abc63c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:61568da002e482634fb5139e71f239483cd9dfee08cadff7bba0130a85c81480- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES381704002
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: Nocturne No. 2 in E-Flat Major, Op. 9: II. Andante · Machine-readable JSON-LD