OT-2026-000004228
Publication integrity record
Porous face vacuum gripper, three zone face, four outlet manifold, three 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-2026-000004228) never changes.
Identity and time
| Publication number | OT-2026-000004228 · never reused |
|---|---|
| Internal UUID | 01a0a911-d25e-76cb-af8b-211a73ec9d75 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:15:12.610584Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004228 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9b1f2b0cebbb66b778156d4ae2e6f1799b208862526329cf22c1c4001e475730 |
|---|---|
| Markdown | dd2f0c246246d63b445edfc7eaf7704b8ea9a309200620ef697f9bb930ea1147 |
| Publication page | 945d7d35afd47e5915122fad434a81f20857f29503621e6b51a1edeb74d8090c |
| Manifest | b3f06c05ae23ce7d04744ef87862c1e88388d1e8cb3a4d3326f9124b1f962505 |
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 | UN5VIjcD7KbNeq5R0JeeyhDaxiOFl2P+F//fTkxy88A/jLUF8ao3dBv2Kq21gZJDw77W1zAhA/NZD2mlVDUuBA== |
| 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
| 2026-09-16T07:20:21.682577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004228observed 945d7d35afd47e5915122fad434a81f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:21.669216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004228/manifest.jsonobserved b3f06c05ae23ce7d04744ef87862c1e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:21.655563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004228/publication.mdobserved dd2f0c246246d63b445edfc7eaf7704b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:21.642953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004228/publication.txtobserved 9b1f2b0cebbb66b778156d4ae2e6f179...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. |
|---|