ISRC DEF056507183
Verified recording
DEF056507183 is “Nocturne No. 2 in E-Flat Major, Op. 9 No. 2 - Pt. 3” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x76b8e6250f6a63f5c97d8a48d82fd33a0c8dd3455a2b7f9155d2a57dc4115d6b and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507183.
Recording identifiers
- ISRC
- DEF056507183
- Title
- Nocturne No. 2 in E-Flat Major, Op. 9 No. 2 - Pt. 3
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x76b8e6250f6a63f5c97d8a48d82fd33a0c8dd3455a2b7f9155d2a57dc4115d6b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:ffb0a31a306c4f745848949bae7c191ca99b0982641da2c16b9b84d19c9d6402- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507183
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Nocturne No. 2 in E-Flat Major, Op. 9 No. 2 - Pt. 3 · Machine-readable JSON-LD