OT-2026-000028791
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000028791) never changes.
Identity and time
| Publication number | OT-2026-000028791 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-72bd-b922-f94c41f99d76 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028791 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3f91151a27b53b484824935c4c884b38e7901851e9362974581bfbc2dc3b4113 |
|---|---|
| Markdown | 1158dc97e79e369a9b7cfa4216c4d6cd21dc1a429e49cfcc0f1266dfa247a2dd |
| Publication page | e6a6421ffed7b6afc01fc105252e759d52afce3c3c460bbe07caaed97d889392 |
| Manifest | 4f34e83bd93d07151054a1e0cec1011a443ed0a4c799f8b3d36298cce105a216 |
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 | KGy2IfMAizwx3z/pGUMyhptwaE+gjAJrmlr/W4EiIL7vs5XA17QjaXVf5yHTsyn6j+FBgSA7OJY4UzMrW2tPDA== |
| 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
| 2026-09-17T11:40:02.696310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028791observed e6a6421ffed7b6afc01fc105252e759d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:02.678323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028791/manifest.jsonobserved 4f34e83bd93d07151054a1e0cec1011a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:02.655837Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028791/publication.mdobserved 1158dc97e79e369a9b7cfa4216c4d6cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:02.637476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028791/publication.txtobserved 3f91151a27b53b484824935c4c884b38...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. |
|---|