OT-2026-000004943
Publication integrity record
Porous face vacuum gripper, two zone face, two outlet manifold, pump 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-2026-000004943) never changes.
Identity and time
| Publication number | OT-2026-000004943 · never reused |
|---|---|
| Internal UUID | 01a0a928-9cd5-7bbd-8c6e-1d3a875f980c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:40:06.233854Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004943 |
| Status | PUBLIC |
Content hashes
| Canonical text | 30cdb1b75bb6c34f1ff083c5997f1aac9a09d4b3e196624cf0b0018cb2ac16fc |
|---|---|
| Markdown | 78b9ca381b4174cfca89cf7a9c55c762d632061eb76c610530cf1112c9299509 |
| Publication page | aae503b46db8ab1a62b56954b3b845f170883f620b47ec441e499eccf65242e9 |
| Manifest | cc99d855c83eef0b2afd86b4a7b087b360432d5356014a69bac8a1c8025d8493 |
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 | dLnvMkq7TYJj0IHakquoiP64gYEbxI2s2fPE12v4D2dPRdtrw1LNO8polU9nspu4wQyE6HHbYxlKwex2XyplCA== |
| 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
| 2026-09-16T07:50:32.629762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004943observed aae503b46db8ab1a62b56954b3b845f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:32.495129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004943/manifest.jsonobserved cc99d855c83eef0b2afd86b4a7b087b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:32.481965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004943/publication.mdobserved 78b9ca381b4174cfca89cf7a9c55c762...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:32.468574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004943/publication.txtobserved 30cdb1b75bb6c34f1ff083c5997f1aac...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. |
|---|