ISRC NLK4J2000009
Verified recording
NLK4J2000009 is “Concerto for 2 Pianos: II. Notturno” by Igor Stravinsky,
registered on the CopyrightChains blockchain with CopyrightID
0x833dd518318de80eed836d48427301706c31ccf6faafbe273a8618bf1865a478 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/NLK4J2000009.
Recording identifiers
- ISRC
- NLK4J2000009
- Title
- Concerto for 2 Pianos: II. Notturno
- Artist
- Igor Stravinsky
- CopyrightID (CopyrightChains transaction hash)
0x833dd518318de80eed836d48427301706c31ccf6faafbe273a8618bf1865a478
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:5102304f29f529f1f300f04d0939443047681ed7779af564ddf721648c87c45a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK4J2000009
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Concerto for 2 Pianos: II. Notturno · Machine-readable JSON-LD