OT-2026-000091729
Publication integrity record
Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091729) never changes.
Identity and time
| Publication number | OT-2026-000091729 · never reused |
|---|---|
| Internal UUID | 01a0ae9d-43b9-7620-91c3-d58e9c8760a7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:37.256105Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091729 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8990a406df061dff8924443cc694a87d239f597527d35a8398711d0b38bf2ae9 |
|---|---|
| Markdown | 01a37dbfcfb9a417946df893b8dd4a7a970cfc3ff41b05e8d97f5ef8a98add6b |
| Publication page | fac4a2d22990102a5397379d0c153f60e467e5f523df1fb52aa10a47e6925dc5 |
| Manifest | 57d6924f27174186bbbc5b4575eb31013f1b88d0207c76b078c09a2d8f2f533f |
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 | 1wqg171oOInPufKy7/O3vOVRbULNazNWuGkT/3pJSyyWV4EnXYlDiFN1aOBUSIfyzFhetpEbp/8Cr4OV0DImCQ== |
| 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
| 2026-09-17T09:42:07.308553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091729observed fac4a2d22990102a5397379d0c153f60...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:42:07.290936Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091729/manifest.jsonobserved 57d6924f27174186bbbc5b4575eb3101...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:42:07.274882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091729/publication.mdobserved 01a37dbfcfb9a417946df893b8dd4a7a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:42:07.256406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091729/publication.txtobserved 8990a406df061dff8924443cc694a87d...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. |
|---|