OT-2026-000031050
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-2026-000031050) never changes.
Identity and time
| Publication number | OT-2026-000031050 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb7-710d-8632-7e3f3e361974 · 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-2026-000031050 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4d34ab7423c86a25cc0a8bb3e97feaa2fc699dd90cc67f086eeeb56e2b10e21c |
|---|---|
| Markdown | 5a24f1ae4468f6cb6263eb052330bca9ecb9317d07cf40e17847bf9fae0bc26d |
| Publication page | 078079e4444ac3d8f9b210a79cfdac8a0ff8247c6ecff1ad5b4a000c436cddbf |
| Manifest | 0d01fbd31bc8a73dbad735e1f491b147f1ba81a5b19f5360b536dd9c0bf2a9af |
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 | EGlFuPywZxze1yuxLsua2yR1dc/YuxYdbdVqHnDg7Yh7nOFixW9xP7MMkVc4204BI9ISMZ9fcZJUvo4kf/BgCg== |
| 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
| 2026-09-17T11:40:09.189171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031050observed 078079e4444ac3d8f9b210a79cfdac8a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:09.169167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031050/manifest.jsonobserved 0d01fbd31bc8a73dbad735e1f491b147...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:09.145912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031050/publication.mdobserved 5a24f1ae4468f6cb6263eb052330bca9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:09.127826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031050/publication.txtobserved 4d34ab7423c86a25cc0a8bb3e97feaa2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:38.006130Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031050observed 078079e4444ac3d8f9b210a79cfdac8a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:37.990644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031050/manifest.jsonobserved 0d01fbd31bc8a73dbad735e1f491b147...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:37.974588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031050/publication.mdobserved 5a24f1ae4468f6cb6263eb052330bca9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:37.957957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031050/publication.txtobserved 4d34ab7423c86a25cc0a8bb3e97feaa2...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. |
|---|