OT-2026-000031038
Publication integrity record
Foam pad vacuum gripper, single stage ejector, pulsed blow-off after 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-2026-000031038) never changes.
Identity and time
| Publication number | OT-2026-000031038 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb7-7169-8b62-9c2967fa74d2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031038 |
| Status | PUBLIC |
Content hashes
| Canonical text | 715a214ad6bad2d66390c8dd1e7782703eddfd8a9c24fc60214bcfb2429733ff |
|---|---|
| Markdown | d9fc59318eb2ddf98a26ec55f009e8ca3795d2c89129953da3fb72a5486e7ed0 |
| Publication page | bbb17ae35a8a8cdb0488fc54ec1359c5c9e196cc05eb5fadbe408790e267bb39 |
| Manifest | d0a105c1049994440e2f6553905be58233d242d0087f57a4c2aee4c03b14fa66 |
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 | Dx2+AQIClA0shGu2Erg/xu8DMW7l7lqSOAju4Qmyqc3C0MstXYx4vTKc7/xCgcghbjWfzSiWo8UxSqoYQn6jBA== |
| 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
| 2026-09-17T11:40:08.256285Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031038observed bbb17ae35a8a8cdb0488fc54ec1359c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:08.235960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031038/manifest.jsonobserved d0a105c1049994440e2f6553905be582...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:08.212826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031038/publication.mdobserved d9fc59318eb2ddf98a26ec55f009e8ca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:08.196197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031038/publication.txtobserved 715a214ad6bad2d66390c8dd1e778270...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:37.123594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031038observed bbb17ae35a8a8cdb0488fc54ec1359c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:37.105335Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031038/manifest.jsonobserved d0a105c1049994440e2f6553905be582...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:37.087340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031038/publication.mdobserved d9fc59318eb2ddf98a26ec55f009e8ca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:37.070717Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031038/publication.txtobserved 715a214ad6bad2d66390c8dd1e778270...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. |
|---|