OT-2026-000004090
Publication integrity record
Porous face vacuum gripper, three zone face, per zone isolation, two stage ejector
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-2026-000004090) never changes.
Identity and time
| Publication number | OT-2026-000004090 · never reused |
|---|---|
| Internal UUID | 01a0a90e-8829-73b9-af9f-795ffc23f713 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:11:37.003750Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004090 |
| Status | PUBLIC |
Content hashes
| Canonical text | 54f585fa13db595d07ec3b6a4c7cbb12fda6c4dc0a42fca395993bdcb0881bc0 |
|---|---|
| Markdown | 6d06905a1cb7f39d27532105fbd0bea1c607d5d912e5acb15dabd0db72a521a0 |
| Publication page | 49e94fbf3b1add2a4187c6dfa29d4dda1ed9b68d7c56956353c042b489c0c013 |
| Manifest | 6ef52ce47e11cda5636c9e2adde653d5d256b129d06c75ebc721d69b0a0b8691 |
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 | reG1Hnz8V1MA0m6qHke+G0WrLWXEemS0j1N906TM/flPBa9QNHQrcnbhLTJvvPhBOd0HhN77Fvt3QV7ICHTKAQ== |
| 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
| 2026-09-16T07:30:33.191927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004090observed 49e94fbf3b1add2a4187c6dfa29d4dda...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:33.141627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004090/manifest.jsonobserved 6ef52ce47e11cda5636c9e2adde653d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:33.128973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004090/publication.mdobserved 6d06905a1cb7f39d27532105fbd0bea1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:32.992973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004090/publication.txtobserved 54f585fa13db595d07ec3b6a4c7cbb12...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. |
|---|