OT-2026-000056858
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000056858) never changes.
Identity and time
| Publication number | OT-2026-000056858 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af8-74ff-81e5-376cf046cc60 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:49.577818Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056858 |
| Status | PUBLIC |
Content hashes
| Canonical text | f6285db6c42b80db9473055f61a1c2196de05eadb7c3b52dee184cb49ec9acad |
|---|---|
| Markdown | b33a3b5bef2d7df48cbf3a82e2d55e89e6e8f8c958fae1314ad72d313e7fc275 |
| Publication page | dedb90ead57228c8e6c1821d4f4533b241c41300e9b974ca1c12d070d6f2b390 |
| Manifest | cd281e23b1ab03a42be47d8dd832bbf7e11282ade44c21eea3a6bd88e7ff0248 |
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 | p52bcGfSW3hOe2amARBs6dK8HS7LdqXmVRaNFIdaJfeoLqqj0YuGaIP8IwhJUJBWPE60Rw8QSoPSs7pFlAs9Dg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:50:21.739074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056858observed dedb90ead57228c8e6c1821d4f4533b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:21.721713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056858/manifest.jsonobserved cd281e23b1ab03a42be47d8dd832bbf7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:21.704430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056858/publication.mdobserved b33a3b5bef2d7df48cbf3a82e2d55e89...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:21.686138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056858/publication.txtobserved f6285db6c42b80db9473055f61a1c219...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. |
|---|