OT-2026-000087251
Publication integrity record
Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000087251) never changes.
Identity and time
| Publication number | OT-2026-000087251 · never reused |
|---|---|
| Internal UUID | 01a0ae9a-9f2e-7398-ab52-6d78ffaeef24 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:02:44.027043Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087251 |
| Status | PUBLIC |
Content hashes
| Canonical text | a34cd1f4fd574edfaaa5214f40d4503bcee6dc6dda5e5acad3ab6a18cae18e9f |
|---|---|
| Markdown | ad53546917fb89eda52d001d9da72110874069a55173facc5f58e54f78d5520f |
| Publication page | 091083d56cc7583d98eed443f2463fdef7dcc2c5cc9368ad22b907aab488e11f |
| Manifest | 84ff0d040a427ca8fb5a1330c338e04a89ce66d7594c20c044b0c84d9615daa2 |
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 | jGkU756vQj339+HeX52THsjyY5QyboayGeI2zqir3Pwkv+fd0rfw8i6L4xcEfSsIE36AglAnDUNgkmFhlKGQCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T20:42:01.450601Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087251observed 091083d56cc7583d98eed443f2463fde...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T20:42:01.112937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087251/manifest.jsonobserved 84ff0d040a427ca8fb5a1330c338e04a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:42:00.849282Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087251/publication.mdobserved ad53546917fb89eda52d001d9da72110...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:42:00.418614Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087251/publication.txtobserved a34cd1f4fd574edfaaa5214f40d4503b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:51:33.260538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087251observed 091083d56cc7583d98eed443f2463fde...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:51:33.242266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087251/manifest.jsonobserved 84ff0d040a427ca8fb5a1330c338e04a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:51:33.225920Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087251/publication.mdobserved ad53546917fb89eda52d001d9da72110...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:51:33.207659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087251/publication.txtobserved a34cd1f4fd574edfaaa5214f40d4503b...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. |
|---|