OT-2026-000022879
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000022879) never changes.
Identity and time
| Publication number | OT-2026-000022879 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46eb-731d-a88d-15d0474ceed0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022879 |
| Status | PUBLIC |
Content hashes
| Canonical text | 164f2645f9f1c4628e68effcf27f8feea17cee79f77e216ce46db6525c6a3b00 |
|---|---|
| Markdown | 4fba351cf91b666d38578be9692e57cab5d264e445c367845dd880c8eebaf449 |
| Publication page | ec39626cb28a357f50a8cad6ec78d60ff9bc06f9ed50def2ae49565320fc2154 |
| Manifest | 68822b6c3ac996dd028baed94f335fc9aec4b68144a7ae7cf46cb4a292bff234 |
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 | 1mYW2VCkF2FOB/4HxLHLym4GXJO353rEInOdXU/kPgYYjWgd5kFVBYVe+hdYmk2VbFc64zVd4Mx+RAPbDlDTCQ== |
| 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
| 2026-09-17T11:52:26.633175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022879observed ec39626cb28a357f50a8cad6ec78d60f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:52:26.602075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022879/manifest.jsonobserved 68822b6c3ac996dd028baed94f335fc9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:26.583379Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022879/publication.mdobserved 4fba351cf91b666d38578be9692e57ca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:26.563970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022879/publication.txtobserved 164f2645f9f1c4628e68effcf27f8fee...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. |
|---|