OT-2026-000004871
Publication integrity record
Porous face vacuum gripper, three zone face, per zone isolation, two stage ejector, contact triggered
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-2026-000004871) never changes.
Identity and time
| Publication number | OT-2026-000004871 · never reused |
|---|---|
| Internal UUID | 01a0a926-095d-709f-baaf-9eda86948c79 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:37:17.409514Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004871 |
| Status | PUBLIC |
Content hashes
| Canonical text | bb8d92bce3a7bbac391114dfc1b20129ad0b1f82ad832b780b3b1fbeaa206b15 |
|---|---|
| Markdown | 2c3c25a1ed893319dad9d7ddb9ce0500b698fb1e57d816ff1a81acd02d10917b |
| Publication page | a21c8ac119d18405e86cab5ab1ca41f7331b832351bf728a9c164953574b1a24 |
| Manifest | 34c3c190ec83677f8aea950376d91efcf38c2245a835d836bcbd72b622359c6d |
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 | /56+KKEG34G3u6kHPDSn2S8TqE5Yls9gmLaQ497tfXtncxTUoeLlTvi5Voq7MDY3dCWbCxTx+3nIjr1lNC5TDA== |
| 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
| 2026-09-16T07:40:09.990894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004871observed a21c8ac119d18405e86cab5ab1ca41f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:09.977798Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004871/manifest.jsonobserved 34c3c190ec83677f8aea950376d91efc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:09.965001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004871/publication.mdobserved 2c3c25a1ed893319dad9d7ddb9ce0500...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:09.951675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004871/publication.txtobserved bb8d92bce3a7bbac391114dfc1b20129...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. |
|---|