OT-2026-000004380
Publication integrity record
Porous face vacuum gripper, four zone face, common isolation valve, plant vacuum fed, contact triggered
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-2026-000004380) never changes.
Identity and time
| Publication number | OT-2026-000004380 · never reused |
|---|---|
| Internal UUID | 01a0a915-bf6b-73ef-85cf-f3aebb54e03a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:19:29.901938Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004380 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0068daf24816f85453a1da8dbda02807d3a9bbd29457aaad9a069567cab003fc |
|---|---|
| Markdown | 534de6d7fc64f709e47242eb2bb75e51f0b7c4400258494b3c25e1dc32e5f4c4 |
| Publication page | 5c3c8da2971888ebc1b5fb7877bedc580bc8813d56ce92dd6a26b715c8343bc2 |
| Manifest | d9d6b1ee248c46d234448b74471ff509464073975a49dfab07a0cb6478f777b8 |
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 | 0MA5iTSwWwz11dW+ReIw21Z0jWP15fK4RU3HaZWdIWI24pM6ssuHL+MVrviBC9Ly6+L3ZVxfREASCPIEniawDA== |
| 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
| 2026-09-16T07:20:04.423551Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004380observed 5c3c8da2971888ebc1b5fb7877bedc58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:04.408669Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004380/manifest.jsonobserved d9d6b1ee248c46d234448b74471ff509...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:04.393679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004380/publication.mdobserved 534de6d7fc64f709e47242eb2bb75e51...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:04.379194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004380/publication.txtobserved 0068daf24816f85453a1da8dbda02807...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. |
|---|