OT-2026-000028237
Publication integrity record
Three cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000028237) never changes.
Identity and time
| Publication number | OT-2026-000028237 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a521-7568-b1a1-00195cd93686 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028237 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7c95cbb48be9bfc3ae11c92cde3530f163f8c9d362ae61f7648aa4c13d84a2c4 |
|---|---|
| Markdown | 8b0a9acd3eebf4698bec81359bf3fe6d2d7abe9a96a08f5a5883d2c81c4c2fe9 |
| Publication page | 8c08ae01969f8823132d4b24eabc375554cfc391d836d70e79ce08c108fb5940 |
| Manifest | d9f1f22501cb16f0a0860ab3266e76167f33bd0c6f33c7d467c4ff6380654534 |
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 | 0yi8cwE+CHjhvRgdA5ynVvpYImTT/67pXeKSZn4h+YohzLfNFRZeEcGOdEFtF+DieQbjMVSoHUM4IJk1odllDw== |
| 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
| 2026-09-17T11:42:36.241783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028237observed 8c08ae01969f8823132d4b24eabc3755...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:36.225706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028237/manifest.jsonobserved d9f1f22501cb16f0a0860ab3266e7616...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:36.209607Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028237/publication.mdobserved 8b0a9acd3eebf4698bec81359bf3fe6d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:36.193117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028237/publication.txtobserved 7c95cbb48be9bfc3ae11c92cde3530f1...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. |
|---|