OT-2026-000004712
Publication integrity record
Porous face vacuum gripper, two zone face, per zone isolation, ejector fed, 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-2026-000004712) never changes.
Identity and time
| Publication number | OT-2026-000004712 · never reused |
|---|---|
| Internal UUID | 01a0a920-f2b3-7754-83a4-584c073a405a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:31:43.925980Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004712 |
| Status | PUBLIC |
Content hashes
| Canonical text | 936edac03e50599d05bf45d23256b0ce1262bcb229074f02a2a31a9ac7f8a816 |
|---|---|
| Markdown | b443ea4a19c548cbcc19becefdd4e755b3ec5144ad7a987dd4b7edb1ec60479c |
| Publication page | ba4bfb11b65565541b5ce3ac1f55f87b7294c5b353a6e702095777478a097df9 |
| Manifest | 670e2fd3470d477c29e6c421b1082fafc3e5636fa62b9a22968e374b77c2976d |
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 | 8xLuzOgA2Yhsa3dj6CvhDklnmhqrgoj6v64sFxyfoCSSg27KWAluwaG27s38t7tjQ7FkJHrBgm2Iy7DNBVK3Bg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:26.938671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004712observed ba4bfb11b65565541b5ce3ac1f55f87b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:26.925642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004712/manifest.jsonobserved 670e2fd3470d477c29e6c421b1082faf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:26.913178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004712/publication.mdobserved b443ea4a19c548cbcc19becefdd4e755...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:26.898587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004712/publication.txtobserved 936edac03e50599d05bf45d23256b0ce...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. |
|---|