OT-2026-000004122
Publication integrity record
Vacuum cup gripper, three outlet manifold, ejector fed, pressure verified at each zone
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-2026-000004122) never changes.
Identity and time
| Publication number | OT-2026-000004122 · never reused |
|---|---|
| Internal UUID | 01a0a90f-3a94-7307-a90b-0c48a8447285 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:22.681970Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004122 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2c7ae907911a35092eb920bf90f2f61f6a224c6061ff4d71073f5a3b3ef33b0f |
|---|---|
| Markdown | fa935d93a98233f35dfd483c65179c113480202c9c5e35368332717f02a6fdf6 |
| Publication page | b8e795f130a6d9b2bdcfb09251225384ecea49a569104d8af9d673c7f4fb7250 |
| Manifest | 4fe66f7b4c08907367b923190af4c3d72841cb44ddaf72c09410d058c2038549 |
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 | E2IPokRn90WQmy2EZjL2om0rZd7Q3SwK0G7lrVberLyIKGLS3Phlz+hEt0V0P26MRAGpsRVEQulxTTNYgJY0Cw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T08:41:26.681270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004122observed b8e795f130a6d9b2bdcfb09251225384...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:41:26.375656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004122/manifest.jsonobserved 4fe66f7b4c08907367b923190af4c3d7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:41:25.898175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004122/publication.mdobserved fa935d93a98233f35dfd483c65179c11...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:41:25.411510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004122/publication.txtobserved 2c7ae907911a35092eb920bf90f2f61f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:34.142698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004122observed b8e795f130a6d9b2bdcfb09251225384...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:34.128085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004122/manifest.jsonobserved 4fe66f7b4c08907367b923190af4c3d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:33.988933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004122/publication.mdobserved fa935d93a98233f35dfd483c65179c11...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:33.974395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004122/publication.txtobserved 2c7ae907911a35092eb920bf90f2f61f...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. |
|---|