OT-2026-000028141
Publication integrity record
Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000028141) never changes.
Identity and time
| Publication number | OT-2026-000028141 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-755c-9516-ab171119a5da · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028141 |
| Status | PUBLIC |
Content hashes
| Canonical text | 34aa564a78a657bbc273772a7602809303e73fcbaf82cc086ce392c036c73940 |
|---|---|
| Markdown | fd9697e7d70ae790cae125cabf44abdc924ffa8888cb3a3da714f129bcab5f27 |
| Publication page | 62790397c689dd80a3d751596e67bcd23e2ff22b2907191ba95d7b3df2aebea4 |
| Manifest | 28855921fd73fa5ed00f5afa1fd66a15e82f2fd4aa8cf887982c2cea22de7b44 |
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 | NMgrkhxV+gFKVyFU9iCGBFq7wy0NYY2wdvlygCCfTUj1lmgiVG2gini1C8VSV37/N3sVmKizOqmQiFoTp5wOCw== |
| 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
| 2026-09-17T11:42:29.562646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028141observed 62790397c689dd80a3d751596e67bcd2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:29.543744Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028141/manifest.jsonobserved 28855921fd73fa5ed00f5afa1fd66a15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:29.526834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028141/publication.mdobserved fd9697e7d70ae790cae125cabf44abdc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:29.504916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028141/publication.txtobserved 34aa564a78a657bbc273772a76028093...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. |
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