OT-2026-000004990
Publication integrity record
Porous face vacuum gripper, two zone face, three outlet manifold, ejector 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-2026-000004990) never changes.
Identity and time
| Publication number | OT-2026-000004990 · never reused |
|---|---|
| Internal UUID | 01a0a92a-3c83-7387-a1af-fc8dc1bc0363 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:41:52.645822Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004990 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1b7d3f4342241c2136dd06454af3f1ee70b033a87e3da24be59400d5c93400ca |
|---|---|
| Markdown | 7a50608d65eaeac1d26511262bcf2161ac8015ad3936f35981847ce978adcde5 |
| Publication page | 61169827fdb8e9fc774158659fb33d2056c808ba490aaf332e763fe492dc911c |
| Manifest | 51f0aa5a85bab542c226f099e8bf2cac283706561f5d2c25b0550b2ccd503030 |
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 | 5XjwcRlovUa9rmrB76YMg0o5+qkibr4mPerja3jkyHrRJCs6oDmi9IqoQvzAiJARskXQcWZjNu48jRtmxBDOAA== |
| 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
| 2026-09-16T07:50:27.461410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004990observed 61169827fdb8e9fc774158659fb33d20...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:27.447211Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004990/manifest.jsonobserved 51f0aa5a85bab542c226f099e8bf2cac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:27.434712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004990/publication.mdobserved 7a50608d65eaeac1d26511262bcf2161...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:27.420017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004990/publication.txtobserved 1b7d3f4342241c2136dd06454af3f1ee...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. |
|---|