ISRC NLK4J2200020
Verified recording
NLK4J2200020 is “Quatre Mains: Humoreske” by Hans Henkemans,
registered on the CopyrightChains blockchain with CopyrightID
0xac483f69e243fbb173d5187a660be3162b41c42d7bad449a268384efb1e7c52e and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK4J2200020.
Recording identifiers
- ISRC
- NLK4J2200020
- Title
- Quatre Mains: Humoreske
- Artist
- Hans Henkemans
- CopyrightID (CopyrightChains transaction hash)
0xac483f69e243fbb173d5187a660be3162b41c42d7bad449a268384efb1e7c52e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:59fb3a994cae522905f1c1e0cd07407144d33a0cfc0075a18511b9f993678669- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK4J2200020
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Quatre Mains: Humoreske · Machine-readable JSON-LD