OT-2026-000072877
Publication integrity record
Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000072877) never changes.
Identity and time
| Publication number | OT-2026-000072877 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89db-7a11-a13e-c7d30e7b3fd8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:54.283203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072877 |
| Status | PUBLIC |
Content hashes
| Canonical text | 68d7dd4db09bccd78f9ac7ff8e3b3295197c4df389c733dae68cef5c07123c40 |
|---|---|
| Markdown | c6b83890f6c82ce2987c26b004670a5303d41ac8cb54fae076a1fe088e3fec88 |
| Publication page | 8cfe2e1b8b9cc703d7884e1730d215686f0ce175b5caeb60d05535a9437d327a |
| Manifest | 49d0db3f8a5598debd3248af032161ad04a8c570b23bcaa5db69350d7fd69dc4 |
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 | iRN08mQi6wI60pq+jk3tjeFbwuhlQBOoNzr2FcfO5T8WFLqtPvylWmkhgAjD+J2QnomOXKklyhMXxSNIeJCkBw== |
| 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
| 2026-09-17T10:22:48.287133Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072877observed 8cfe2e1b8b9cc703d7884e1730d21568...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:22:48.271088Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072877/manifest.jsonobserved 49d0db3f8a5598debd3248af032161ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:48.255499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072877/publication.mdobserved c6b83890f6c82ce2987c26b004670a53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:48.237867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072877/publication.txtobserved 68d7dd4db09bccd78f9ac7ff8e3b3295...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. |
|---|