OT-2026-000031438
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000031438) never changes.
Identity and time
| Publication number | OT-2026-000031438 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ad-7f04-a8cd-a4102ffa2840 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031438 |
| Status | PUBLIC |
Content hashes
| Canonical text | 43db86c0eef1c4938a688a499176528a4cd377ba47328c976d5971b98e3b272b |
|---|---|
| Markdown | 1b9e90c74f48b37e9b6a7d9a8cb8ec5c58f0663dd88469e8a8da4046695b49cc |
| Publication page | 4cc5adb3c2c92d0b4303ff40c4f062d3699c0a78415ee48ee6e330aa614149ac |
| Manifest | 7464d9da00de210391122319527ed157424faddac4ee8d0a03cc9954219b383d |
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 | U4JxTNsSF1DzwcSBO5gf7EFhJ1eSf3TMAfprzwKTNy6vDQCvxghaL/umAwR5v53CAcaJ93XfSgCeqSHDSW1nDw== |
| 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
| 2026-09-17T11:36:09.639587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031438observed 4cc5adb3c2c92d0b4303ff40c4f062d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:09.621924Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031438/manifest.jsonobserved 7464d9da00de210391122319527ed157...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:09.602336Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031438/publication.mdobserved 1b9e90c74f48b37e9b6a7d9a8cb8ec5c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:09.583344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031438/publication.txtobserved 43db86c0eef1c4938a688a499176528a...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. |
|---|