OT-2026-000031893
Publication integrity record
Single cup 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-2026-000031893) never changes.
Identity and time
| Publication number | OT-2026-000031893 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-7f91-838b-b4355e30ab52 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031893 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2c7d21b4227c5812ecf183f385bc45543f9c142ba7b981306e2541775c832367 |
|---|---|
| Markdown | f6e354e9ceb4ca96ff9d1ba523c2e1755d15fed0997fbdc5fd1806c6ea8a7888 |
| Publication page | d453292a63ff36f8571128ab8c67047df992a78e6d7879843720873389bd268a |
| Manifest | d5519c8e142daa91c22ce6c400afc6100225f0faef4bd30c3150c80f29ef7298 |
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 | nHV4FMqy994UIIAoN78PiEeNIPJ9eyfuNyP+XPNcEzram0D+zDl19CWpeXk53b6mVmhzrt6N7guOoTJuKSfQDQ== |
| 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
| 2026-09-17T11:35:09.631080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031893observed d453292a63ff36f8571128ab8c67047d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:09.613415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031893/manifest.jsonobserved d5519c8e142daa91c22ce6c400afc610...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:09.594270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031893/publication.mdobserved f6e354e9ceb4ca96ff9d1ba523c2e175...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:09.575835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031893/publication.txtobserved 2c7d21b4227c5812ecf183f385bc4554...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. |
|---|