OT-2026-000020891
Publication integrity record
Three 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-2026-000020891) never changes.
Identity and time
| Publication number | OT-2026-000020891 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-78de-80b5-9f5e6008ce69 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020891 |
| Status | PUBLIC |
Content hashes
| Canonical text | 52fda7df5a0afdd030b54a5014f0edd9fb59441e41bca5a866dcc890bd60444c |
|---|---|
| Markdown | cc2585bc29ab8105285d66325361e1a94f55db300fe59ab51a00f1f4d405828c |
| Publication page | 949c431a8c956d41e3cb05e54b4e986bd9e5c80b70642eb3cdf308b6c24b91b1 |
| Manifest | bf479f973ce7edcd02697f8e31302310d62ab06ef27ae88925c96721550d6347 |
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 | hPxndhlxprNaUSgEHM6VNGh+ZPP38HXWMYfYxK9Hlw+DGhmiZrTjdI/M7wsorUsTfSTYrABnpQ45paWwapleBA== |
| 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
| 2026-09-17T11:56:00.245833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020891observed 949c431a8c956d41e3cb05e54b4e986b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:00.227667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020891/manifest.jsonobserved bf479f973ce7edcd02697f8e31302310...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:00.209541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020891/publication.mdobserved cc2585bc29ab8105285d66325361e1a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:00.193377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020891/publication.txtobserved 52fda7df5a0afdd030b54a5014f0edd9...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. |
|---|