OT-2026-000004171
Publication integrity record
Porous face vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure verified
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-2026-000004171) never changes.
Identity and time
| Publication number | OT-2026-000004171 · never reused |
|---|---|
| Internal UUID | 01a0a90f-e4b9-7ec8-a22d-470ae9c3454b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:13:06.236136Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004171 |
| Status | PUBLIC |
Content hashes
| Canonical text | a39f576d6cee398047ff1b03d2c9ac559ccf535613b97687c6ee507ba517e6b6 |
|---|---|
| Markdown | 0fc326290490b61ddc31b138f0523a820c0ede4982ad1a9a6b1686a74824843e |
| Publication page | 09fdaa47aea5973feb1a89f7b91a6cbe78084011c0ac3a7ed098939abb84df77 |
| Manifest | cddc3e743ac2bed3dcf506dd166a42c95ab6b2a7fd97d4b6121bdf201003e88d |
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 | +cECFcLvmVCQu+IrkSDPojwdMpq+7IeHkChP2NHojxKllqQLxMoWIgB9kykEGkkEbM9OllatSKti1IMAlz78Dg== |
| 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
| 2026-09-16T07:20:28.398756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004171observed 09fdaa47aea5973feb1a89f7b91a6cbe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:28.386111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004171/manifest.jsonobserved cddc3e743ac2bed3dcf506dd166a42c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:28.370129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004171/publication.mdobserved 0fc326290490b61ddc31b138f0523a82...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:28.238186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004171/publication.txtobserved a39f576d6cee398047ff1b03d2c9ac55...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. |
|---|