OT-2026-000028391
Publication integrity record
Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000028391) never changes.
Identity and time
| Publication number | OT-2026-000028391 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7719-aece-7cb592be89ca · 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-2026-000028391 |
| Status | PUBLIC |
Content hashes
| Canonical text | d652341ea40e240b11b980256a82bcd552b5dd8ba9bfc4cc185074b8a198ba74 |
|---|---|
| Markdown | f7b99be395d04b5e02f622de1fb82714b2df9c1ad62c2e3d116effd9c18ca6b5 |
| Publication page | 4ff9d7be897753b2dc6a318bf62979247a3196bce71d4a08aa1e2008fc6531e1 |
| Manifest | 378af914a8876a7e9083f945c64df5180368195d41e1af005e07ad8ecfb7bd08 |
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 | P9FttiQ/iGUGujJAXC0ZmZR8niykELh4GdCC+lkM/8oEJZ6+xg+mCJxTTHoFSuQrP4zXv/C6FWoIyWrY0TZFCA== |
| 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
| 2026-09-17T11:40:31.041686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028391observed 4ff9d7be897753b2dc6a318bf6297924...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:30.980342Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028391/manifest.jsonobserved 378af914a8876a7e9083f945c64df518...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:30.959099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028391/publication.mdobserved f7b99be395d04b5e02f622de1fb82714...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:24.515018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028391/publication.txtobserved d652341ea40e240b11b980256a82bcd5...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. |
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