OT-2026-000005238
Publication integrity record
Porous face vacuum gripper, four zone face, ejector fed, pressure verified, vented after set down
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-2026-000005238) never changes.
Identity and time
| Publication number | OT-2026-000005238 · never reused |
|---|---|
| Internal UUID | 01a0a932-6b4d-7fd4-a0e2-6906fc1f645e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:50:48.912259Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005238 |
| Status | PUBLIC |
Content hashes
| Canonical text | dd0fbd2358d933efc2e56a97388bcca836f5802737f985fbce8035399c1d0811 |
|---|---|
| Markdown | c18f79657f08296293af865dad54bc8eaaf35d734fbac9d4de2d9b73299ae3e7 |
| Publication page | 905078b07a553faba12493eaa2b52d00454562da09e48f2a6cef9816c7f40410 |
| Manifest | 4e7f76810f28e97bbb7228f5808166d59138a64ca608f86ccaa2d61e3dad16b9 |
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 | vif2P3m4QphbP2SkbBeapZT0PzK6ws/90YDkTevk95jQNceG4xQuegxEGGt/XsXLBSPMUzAJx/guItJQClt6BA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:32.201805Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005238observed 905078b07a553faba12493eaa2b52d00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:32.187400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005238/manifest.jsonobserved 4e7f76810f28e97bbb7228f5808166d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:32.129519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005238/publication.mdobserved c18f79657f08296293af865dad54bc8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:31.990761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005238/publication.txtobserved dd0fbd2358d933efc2e56a97388bcca8...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. |
|---|