ISRC NLHR52121600
Verified recording
NLHR52121600 is “Smile - New mono-to-stereo mix” by Nat King Cole,
registered on the CopyrightChains blockchain with CopyrightID
0x7d24295b91f9fa4254abfb2aa88816f4eb849cb458ae3dff1b0f3060e87e7502 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLHR52121600.
Recording identifiers
- ISRC
- NLHR52121600
- Title
- Smile - New mono-to-stereo mix
- Artist
- Nat King Cole
- CopyrightID (CopyrightChains transaction hash)
0x7d24295b91f9fa4254abfb2aa88816f4eb849cb458ae3dff1b0f3060e87e7502
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:96e0e6b7a4cd585db0b88258ecb3a2e2ed0fb86294e175d22c68cf20a3ba25b8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLHR52121600
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Smile - New mono-to-stereo mix · Machine-readable JSON-LD