OT-2026-000028283
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000028283) never changes.
Identity and time
| Publication number | OT-2026-000028283 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7a3e-afcf-87fe64a2aeb3 · 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-2026-000028283 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7e1ca505dcd0856ce29265ec2d50777ef2a72a49dd5cc3d9dbbb7721c21b1694 |
|---|---|
| Markdown | e0251e900d8d261353a502ca74df59a49ee45ff38cf39d1b8c8dbead19f2ebba |
| Publication page | 8f39b5863dd640be776cfc89028b6352eceae22a35796426ea05ee761454854a |
| Manifest | f772c85931b89126be461546297bb6a3092c3a22384769445283b4cf0ffbb2e4 |
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 | 0iBgIvk/kzW+M0L4ZSEE+0DnR8Z1xhdR97DvSruG1OxuzthjU8B9ZESxov1fHdxrgsWmIZ2F/+z44DdoHxAyDw== |
| 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
| 2026-09-17T11:40:09.601007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028283observed 8f39b5863dd640be776cfc89028b6352...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:09.581627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028283/manifest.jsonobserved f772c85931b89126be461546297bb6a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:09.564014Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028283/publication.mdobserved e0251e900d8d261353a502ca74df59a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:09.548245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028283/publication.txtobserved 7e1ca505dcd0856ce29265ec2d50777e...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. |
|---|