OT-2026-000004595
Publication integrity record
Porous face vacuum gripper, three zone face, four 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-2026-000004595) never changes.
Identity and time
| Publication number | OT-2026-000004595 · never reused |
|---|---|
| Internal UUID | 01a0a91d-2b0f-7693-ac20-410e582ed859 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:27:36.209654Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004595 |
| Status | PUBLIC |
Content hashes
| Canonical text | 72b681ba2018336286a0b13baedecbc5d887a86f0116d3f9a03e4a43f54c3986 |
|---|---|
| Markdown | ebaea8ccf71a511dc951157bbe8b5daa1a38b6a32ee2783799e2b3824726a17a |
| Publication page | 8970b501b95a6c60c83273e14b3adb85c1ab791f81d1e916a30d7c25cb3fc91b |
| Manifest | 30bd3576163ce0fd31d68156979ff8acf241d7c6d7f76cea8a4988c503a97f49 |
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 | jE0zPJSYGrC3XtvKfX+DzEK32TZ89a8vbLGWOrv8ivdw5pVL+YApLXio9BWwfUV4xSTbz24gmJMr+99LJfSzBA== |
| 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
| 2026-09-16T07:30:11.127687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004595observed 8970b501b95a6c60c83273e14b3adb85...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:10.989879Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004595/manifest.jsonobserved 30bd3576163ce0fd31d68156979ff8ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:10.977643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004595/publication.mdobserved ebaea8ccf71a511dc951157bbe8b5daa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:10.963763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004595/publication.txtobserved 72b681ba2018336286a0b13baedecbc5...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. |
|---|