ISRC NLH212100005
Verified recording
NLH212100005 is “When Will The Blues Leave” by John Engels,
registered on the CopyrightChains blockchain with CopyrightID
0x28d6b0702b0103423e19d6995697bae38356e1589565628803d69d55c90e9cec and independently timestamped
in Bitcoin block 960362 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLH212100005.
Recording identifiers
- ISRC
- NLH212100005
- Title
- When Will The Blues Leave
- Artist
- John Engels
- CopyrightID (CopyrightChains transaction hash)
0x28d6b0702b0103423e19d6995697bae38356e1589565628803d69d55c90e9cec
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T06:58:00+00:00
- Bitcoin block
- 960362
- Canonical record hash
sha256:962238dc33aae9f42654bcb1ed270e4d87a1ba5d8533b57672a22d719a1bc11a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLH212100005
- Bitcoin block existence check
- https://blockstream.info/api/block/960362
Full record
Track page: When Will The Blues Leave · Machine-readable JSON-LD