OT-2026-000018689
Publication integrity record
Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000018689) never changes.
Identity and time
| Publication number | OT-2026-000018689 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d520-7116-8f0f-a2b0726c43ac · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018689 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3ae0efc7844c7328275b84d40a90b04348277c0802c218a06645c27271ee3282 |
|---|---|
| Markdown | d7d1cd184583eb9360139c78ada0f112fabbc7dd5f17e102f7bf472b4cebbab2 |
| Publication page | b12265b3f4655f34bb1ef0112b2b3669f64e83335118e6a6706a4df7342e2d3b |
| Manifest | b860dfd51c9a8e57a43306e63c311bf1f80118ef08415ab67f4b98d322d62927 |
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 | Cmv418xFfa4gr2V/zpmGe/LkAufOC+Cx/dUtmHdPSpYyo3DR+hkHxmsiuMKqgBDXLdOGzETtJp6m5XAaGcU4CA== |
| 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
| 2026-09-17T11:59:17.346544Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018689observed b12265b3f4655f34bb1ef0112b2b3669...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:17.329399Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018689/manifest.jsonobserved b860dfd51c9a8e57a43306e63c311bf1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:17.312113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018689/publication.mdobserved d7d1cd184583eb9360139c78ada0f112...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:17.293674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018689/publication.txtobserved 3ae0efc7844c7328275b84d40a90b043...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. |
|---|