ISRC DEF058101020
Verified recording
DEF058101020 is “Nocturne No. 2 in E-Flat Major, Op. 9 No. 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xc636a4a02384fd154f75dc1b59e44ab245bb5c1f610ce6c099af62b0cb9d862c and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058101020.
Recording identifiers
- ISRC
- DEF058101020
- Title
- Nocturne No. 2 in E-Flat Major, Op. 9 No. 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xc636a4a02384fd154f75dc1b59e44ab245bb5c1f610ce6c099af62b0cb9d862c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:5c5a5cba9bc9e59389e85d852e7ae6e6d402f1cbd4b1ba4ac971cea555757c46- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058101020
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Nocturne No. 2 in E-Flat Major, Op. 9 No. 2 · Machine-readable JSON-LD