OT-2026-000004243
Publication integrity record
Vacuum cup gripper, three zone face, three outlet manifold, pump fed, vented after set down
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-2026-000004243) never changes.
Identity and time
| Publication number | OT-2026-000004243 · never reused |
|---|---|
| Internal UUID | 01a0a912-7c3c-7437-a32a-716cb7d4e8fe · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:15:56.095663Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004243 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6fd75b6d2f4f6f967934f07a3f08ad3d4d7e1dc796d1f3445663eff7f66a587e |
|---|---|
| Markdown | 3a2dbf8b3f881651c3b856a25ebce5382908e340081c6616702286186f17f08c |
| Publication page | 40ec7340e4185730f1b1fd2b566108a6514301d45b56f58a7bc08fc0d7a09a73 |
| Manifest | 3fd25d460242d39369a7fd509ca9e397b3361b03955f881f015e5a3ad90a4aca |
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 | sQcbUSHxH3pe7gh7oXr32hY+i3J3VzW9wpe8dTl1BSwVx1wqnEXQm57sDi1XqBeDk5iNmZ/a1nh6rUmffFO2Bg== |
| 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
| 2026-09-16T07:20:19.960801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004243observed 40ec7340e4185730f1b1fd2b566108a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:19.947655Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004243/manifest.jsonobserved 3fd25d460242d39369a7fd509ca9e397...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:19.933771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004243/publication.mdobserved 3a2dbf8b3f881651c3b856a25ebce538...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:19.916174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004243/publication.txtobserved 6fd75b6d2f4f6f967934f07a3f08ad3d...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. |
|---|