OT-2026-000004294
Publication integrity record
Porous face vacuum gripper, three 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-2026-000004294) never changes.
Identity and time
| Publication number | OT-2026-000004294 · never reused |
|---|---|
| Internal UUID | 01a0a913-4e9a-7a84-ba12-4971438be922 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:49.949731Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004294 |
| Status | PUBLIC |
Content hashes
| Canonical text | 549bea383dea129b8d290752e2fb94c26c94a82c61ee372a6fd67a2fca909ca1 |
|---|---|
| Markdown | 951d06473a24bfa3a3af83a033ef6b79ee13eed23f60e94d66fd27645d023f5b |
| Publication page | 8bebcebf0d9e349473de45840b5a2f4079a34d5008cbc444648e9cd77c0dd2a7 |
| Manifest | d94ac85e25ac7d3f83a08b4b6e7a5ef51458e57f7a45540e2e77d06780ed391c |
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 | DGcG6mK4WG+HX1iRjdb5COk6sYMWCNkETDUfC3So2b/xJZ1jaT2+7IwsF3aDdJ+8dooz2ofti9UUzB63PEdJBg== |
| 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
| 2026-09-16T07:20:14.177189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004294observed 8bebcebf0d9e349473de45840b5a2f40...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:14.164698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004294/manifest.jsonobserved d94ac85e25ac7d3f83a08b4b6e7a5ef5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:14.148037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004294/publication.mdobserved 951d06473a24bfa3a3af83a033ef6b79...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:14.135441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004294/publication.txtobserved 549bea383dea129b8d290752e2fb94c2...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. |
|---|