OT-2026-000003572
Publication integrity record
Porous face vacuum gripper, four zone face, per zone isolation, three 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-2026-000003572) never changes.
Identity and time
| Publication number | OT-2026-000003572 · never reused |
|---|---|
| Internal UUID | 01a0a90a-6a3e-748a-9a53-a242efbc1c6e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:07.201550Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003572 |
| Status | PUBLIC |
Content hashes
| Canonical text | dc33479b8965838ad148f947fce85ab04066d02249d890e72c828e5434980132 |
|---|---|
| Markdown | 5212e3810a20127af6754cb4d0615cac9241f42ed5fe76ad605a82d4b4a35b6b |
| Publication page | 5f05ab2a0d6a7f171106b67ac4d2dc999bc45e5ed6041d8a8604e8830c432ad6 |
| Manifest | 70105962aada57f1656ae0a6de4e99df9287c20f6ba3f5b4e49ad01d78f684b1 |
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 | BnmbEz49oY2FsBl91oS2JPtdIPXfadj7Wr4BXUNLTeRN1sNIfGWW2Ex3sSqdXgpMRrJ257qe/ZeKx4eDPQWiCA== |
| 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
| 2026-09-16T08:40:39.241511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003572observed 5f05ab2a0d6a7f171106b67ac4d2dc99...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:40:39.209278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003572/manifest.jsonobserved 70105962aada57f1656ae0a6de4e99df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:39.191801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003572/publication.mdobserved 5212e3810a20127af6754cb4d0615cac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:38.991239Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003572/publication.txtobserved dc33479b8965838ad148f947fce85ab0...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. |
|---|