OT-2026-000004159
Publication integrity record
Porous face vacuum gripper, two zone face, common isolation valve, plant vacuum fed
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-2026-000004159) never changes.
Identity and time
| Publication number | OT-2026-000004159 · never reused |
|---|---|
| Internal UUID | 01a0a90f-ad94-7695-ab36-3618ad69a15a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:52.118984Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004159 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4763b01355c706d0a13425c2ea7f9658343bbc79a60cd9a66da3698a965e589b |
|---|---|
| Markdown | 51ec7bed4e9cc72a5d23758f3cb2d40aa964ada22a9b0fe9ec606f63573a7419 |
| Publication page | 9da5d0a7ee3d9e3e51d6f71aaaf40d5c763984b127782a52fa9e466e8012c440 |
| Manifest | 13e833951ba76c948b198afce832024e47d4a924fda92d66be790b774607a2b8 |
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 | 7IYvAam+S5qFa25BB1Mwb1JcpjT9404AjDoKU//EenHAE1JhLBxNJoGn1YZg1gVTALFCowhiEhrcyVxospEDBA== |
| 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
| 2026-09-16T07:20:29.723344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004159observed 9da5d0a7ee3d9e3e51d6f71aaaf40d5c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:29.709688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004159/manifest.jsonobserved 13e833951ba76c948b198afce832024e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:29.696990Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004159/publication.mdobserved 51ec7bed4e9cc72a5d23758f3cb2d40a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:29.682426Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004159/publication.txtobserved 4763b01355c706d0a13425c2ea7f9658...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. |
|---|