OT-2026-000028371
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed 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-2026-000028371) never changes.
Identity and time
| Publication number | OT-2026-000028371 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7c16-b864-2ca3324bfcc6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028371 |
| Status | PUBLIC |
Content hashes
| Canonical text | 16bed4554f74e499f1181361ec3cb6ce64d685957990436564bede90f192adac |
|---|---|
| Markdown | 132adee9cbe512907091f51418b7e004cb52669b900468cf1475ebab7de1ee98 |
| Publication page | 34559a995093bda22d32d932d4fe4f6ef5a1bd46ea1bd192c3e1e4a0b852b166 |
| Manifest | 4dca2cfd9289025f6ac7d9a7df886f126df8932451850d7756d1dae7d59c244f |
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 | ODize5Pys1aHm56K0T0dUDFyIf+W2e70vWnt7rah46lzbQY9d0apq0+YVorx8PRVONDdOLx/8sAb8inJtvHsAg== |
| 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
| 2026-09-17T11:40:23.174742Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028371observed 34559a995093bda22d32d932d4fe4f6e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:23.154417Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028371/manifest.jsonobserved 4dca2cfd9289025f6ac7d9a7df886f12...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:23.131864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028371/publication.mdobserved 132adee9cbe512907091f51418b7e004...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:23.112448Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028371/publication.txtobserved 16bed4554f74e499f1181361ec3cb6ce...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. |
|---|