OT-2026-000020176
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000020176) never changes.
Identity and time
| Publication number | OT-2026-000020176 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-722d-b2a4-2a18d61ddcfc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020176 |
| Status | PUBLIC |
Content hashes
| Canonical text | f9a1ae97bfb17cb5033ac230e1905743955d60761d097e69c66d5c03d297862f |
|---|---|
| Markdown | 69c4c2b881f78cb81786db46dce12ae36b903cdc8aaffbd843cb1c790693f8c8 |
| Publication page | 62fd5b5206aeb8251af628a1015b7227cf82c8103b5384998c79a75a227e18e2 |
| Manifest | 8d824a4b872019d64ac365f55f91a5cd9d08954b74d688d6a3cb7b76fe47fd82 |
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 | LYiCauIh+2nvyw+Dd95PvZ2y3FBhGJQ9MXFYLtouJsmpvx/t2InsIl4xMM5UkoS9uU44DeyoeN3kdFQYyHUlCg== |
| 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
| 2026-09-17T11:56:29.766158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020176observed 62fd5b5206aeb8251af628a1015b7227...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:29.748458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020176/manifest.jsonobserved 8d824a4b872019d64ac365f55f91a5cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:29.730521Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020176/publication.mdobserved 69c4c2b881f78cb81786db46dce12ae3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:29.710485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020176/publication.txtobserved f9a1ae97bfb17cb5033ac230e1905743...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. |
|---|