OT-2026-000028431
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed blow-off before set-down
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000028431) never changes.
Identity and time
| Publication number | OT-2026-000028431 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7901-92ea-dc8eefaec993 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028431 |
| Status | PUBLIC |
Content hashes
| Canonical text | 02f807ef88c634c51b4b132f589a0aa75b37a8610152715bc1562b5527695a0c |
|---|---|
| Markdown | 27a9b506650c37629c8218cc399363c71dc2a896913c2b661aa27a9cbc8caae9 |
| Publication page | caa045895633f7608e363c9cfaa64c466c083d4fe2756caba5d22ca89ae2ba54 |
| Manifest | b2a805d870b3ed009db54646970ac6dfbc7b4a327708d29b61b8d9eddc8a684b |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | lN1/2QRE3Nfv44igonBFBLrMZTdiFSe3UFEcPReF9cGMgMBOZhhxiDRvKJs34a5F7rxhQZmGhBgAAju/+ueOBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:40:33.922468Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028431observed caa045895633f7608e363c9cfaa64c46...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:33.901719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028431/manifest.jsonobserved b2a805d870b3ed009db54646970ac6df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:33.885427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028431/publication.mdobserved 27a9b506650c37629c8218cc399363c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:33.868701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028431/publication.txtobserved 02f807ef88c634c51b4b132f589a0aa7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|