OT-2026-000020438
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000020438) never changes.
Identity and time
| Publication number | OT-2026-000020438 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-78e9-b553-f2f54aff1de2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020438 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2ab75664e83ee58c65a10bb4faf9a59888609f9d24766e84ade46f46bc3b7c39 |
|---|---|
| Markdown | d5acaa56012173ac4390eb5565afc1b451d541265e1b8a7a57a6eac15af970c3 |
| Publication page | 13d114229db58a0488d6a361a44508f63f1bd14ad83f9a83bc75e6e56806c6aa |
| Manifest | 599e39e7ba52167f23a826a0971d4ded210f7f9b9cb4ed3c39ee438ca9f3d7d1 |
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 | xu+dl79nm9kr08GHg7R7EJLIjEbakg2AdvxPDwujTGBdLOI6UdFitqLLFW60tAO6HRAAjLpv08IsLnWPKgBtDw== |
| 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
| 2026-09-17T12:00:21.734436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020438observed 13d114229db58a0488d6a361a44508f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:21.714585Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020438/manifest.jsonobserved 599e39e7ba52167f23a826a0971d4ded...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:21.694712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020438/publication.mdobserved d5acaa56012173ac4390eb5565afc1b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:21.675468Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020438/publication.txtobserved 2ab75664e83ee58c65a10bb4faf9a598...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.488051Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020438observed 13d114229db58a0488d6a361a44508f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.471490Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020438/manifest.jsonobserved 599e39e7ba52167f23a826a0971d4ded...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.453201Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020438/publication.mdobserved d5acaa56012173ac4390eb5565afc1b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.435827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020438/publication.txtobserved 2ab75664e83ee58c65a10bb4faf9a598...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. |
|---|