OT-2026-000026890
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000026890) never changes.
Identity and time
| Publication number | OT-2026-000026890 · never reused |
|---|---|
| Internal UUID | 01a0ae72-3452-71a5-8189-87dc39346e89 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:35.358864Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026890 |
| Status | PUBLIC |
Content hashes
| Canonical text | 53710a3d104b617b61d7eaf7b86a4500cf1f62a1063d9b6a2bcc629223b5634b |
|---|---|
| Markdown | 0d1e2b8dcf6e5ee0c76f29c2ecba71861ed31498b3de34d5d580d28fbf2d2d37 |
| Publication page | c9f9d2fb1a5f670d61d879977aa54cffa55beda1dd22ff875528dd840d54b163 |
| Manifest | 094677f2037e274c703255866b194dffa70c89a488ab99dd8ffe77ef014fb319 |
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 | llBSfg7VBOSqpEs7LFvGBo5TxedL/O8nqWYXR/pjet+IfTqZSnMSOMs1nRaEMg/XbQmwSROwSJo4b4JbVvHBBQ== |
| 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
| 2026-09-17T11:43:29.846332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026890observed c9f9d2fb1a5f670d61d879977aa54cff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:43:29.802638Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026890/manifest.jsonobserved 094677f2037e274c703255866b194dff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:29.788476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026890/publication.mdobserved 0d1e2b8dcf6e5ee0c76f29c2ecba7186...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:29.773041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026890/publication.txtobserved 53710a3d104b617b61d7eaf7b86a4500...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. |
|---|