OT-2026-000004887
Publication integrity record
Porous face vacuum gripper, common isolation valve, ejector fed, contact triggered, 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-2026-000004887) never changes.
Identity and time
| Publication number | OT-2026-000004887 · never reused |
|---|---|
| Internal UUID | 01a0a926-a96c-7731-81c2-672d1bcc8f82 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:37:58.384620Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004887 |
| Status | PUBLIC |
Content hashes
| Canonical text | a45c22aec91150ed8535927aaa6e13b666734ff3b4597ee8782b2cc8ad8009ca |
|---|---|
| Markdown | 83dc487b626b6ee30f3626ff255d7355f8d4f790201224119a832b308fa2ee7c |
| Publication page | e5879734b7b48350431cf1516b3de2ee1fff3493b04e07de9afe66a196fea904 |
| Manifest | 22a2f1541ae8388927c1c5127b30c6bd1acb8de8bed2cc7e6ded74717ec67c6e |
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 | zgU2E5IaWkXmhABsQYBygFE5QA7NIFVxA0BFJyknADfbwEclgAKPCmrff/tdoOCLGfbWnpb0f/ASnQBk0uxmCg== |
| 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
| 2026-09-16T07:40:08.227011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004887observed e5879734b7b48350431cf1516b3de2ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:08.215537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004887/manifest.jsonobserved 22a2f1541ae8388927c1c5127b30c6bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:08.202927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004887/publication.mdobserved 83dc487b626b6ee30f3626ff255d7355...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:08.191105Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004887/publication.txtobserved a45c22aec91150ed8535927aaa6e13b6...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. |
|---|