OT-2026-000004356
Publication integrity record
Porous face vacuum gripper, two zone face, six 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-2026-000004356) never changes.
Identity and time
| Publication number | OT-2026-000004356 · never reused |
|---|---|
| Internal UUID | 01a0a915-040c-7e89-8c71-c1c83005ad45 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:18:41.935721Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004356 |
| Status | PUBLIC |
Content hashes
| Canonical text | 210f747a08dc6ba7e59d1d1b9c3f5a5afa5c2186e6078f4c9993df7d98b58169 |
|---|---|
| Markdown | d19cef8d6468730affe68733246b6a4585a651504ef7aeb6936fe4d62851be7f |
| Publication page | 266f0375d7cc2478e205cf6da8419f6bb6cd28915311b926eddf38c83552f1f5 |
| Manifest | 2043b1b3fcc3da897a5b7db5397609b9c7ba39e29a8c1087b24516acbc61e73a |
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 | qV3UyYRXhwCGMIuteyjheodh5CRLFvW834PM2WgqzmXh8q1yuO5G6lovmkECwJ2nCB1NglKi0My4lXwWkhVXDg== |
| 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
| 2026-09-16T07:20:07.176672Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004356observed 266f0375d7cc2478e205cf6da8419f6b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:07.162600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004356/manifest.jsonobserved 2043b1b3fcc3da897a5b7db5397609b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:07.146054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004356/publication.mdobserved d19cef8d6468730affe68733246b6a45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:07.130140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004356/publication.txtobserved 210f747a08dc6ba7e59d1d1b9c3f5a5a...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. |
|---|