OT-2026-000089731
Publication integrity record
Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000089731) never changes.
Identity and time
| Publication number | OT-2026-000089731 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-1a22-7457-b676-9a61d653002a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:21.039513Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000089731 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8bf77ffab20ead9f4912287b5fdfa0f1906772a683f81592862d2f0924d3baeb |
|---|---|
| Markdown | 2ea7d059d36f56e690043ff7969f8d01c876b5c5a53939a83d61fab86ee33402 |
| Publication page | 2eca50f37953080a3bcde9a2ef3882ec7ddc7f8d108a0594aa8d497a987eadba |
| Manifest | d2ff045665a1d201c817b9165712eb114dd1b61f3211e4e6e12ddfbf858034d6 |
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 | sKhiAp9Y9Yv7eGQib3H2lued1xA9eqFFMDqUJ+spSCLpfmlBynkyxz1wL+c2f4SyVVWrEgei0S4256KajagCBw== |
| 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
| 2026-09-17T09:46:44.308623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089731observed 2eca50f37953080a3bcde9a2ef3882ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:46:44.293087Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089731/manifest.jsonobserved d2ff045665a1d201c817b9165712eb11...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:44.276298Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089731/publication.mdobserved 2ea7d059d36f56e690043ff7969f8d01...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:44.258279Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089731/publication.txtobserved 8bf77ffab20ead9f4912287b5fdfa0f1...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. |
|---|