OT-2026-000004733
Publication integrity record
Porous face vacuum gripper, two zone face, per zone isolation, plant vacuum 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-2026-000004733) never changes.
Identity and time
| Publication number | OT-2026-000004733 · never reused |
|---|---|
| Internal UUID | 01a0a921-99b2-713f-b795-4cccabb16df1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:32:26.677436Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004733 |
| Status | PUBLIC |
Content hashes
| Canonical text | bb658c8351ebab5caeba80c6f36d2e0ca751aeab5aec1e4b63c66e555ef6ca24 |
|---|---|
| Markdown | 77283e81d8786df03f47e9490bfbefba29bbbe88d79535a67dbdb797a876bdde |
| Publication page | 306469fe35162ebf44efc88ed8fc0d1a287717a3069eba1ec86d8def5ebcb43a |
| Manifest | d47ac2008e3b2e7c96fe6010d95cd9d3160967ee564422a463f792f3be782f09 |
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 | SVjG1V243iDRfzT3Y6jSlwatSvkHD5QqvnFoj98SFhiSZxSDF3VonBxWNzPPI/64a7vQZOYRVE+6WEM0A3lUAQ== |
| 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
| 2026-09-16T07:40:24.700799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004733observed 306469fe35162ebf44efc88ed8fc0d1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:24.687316Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004733/manifest.jsonobserved d47ac2008e3b2e7c96fe6010d95cd9d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:24.673758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004733/publication.mdobserved 77283e81d8786df03f47e9490bfbefba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:24.658973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004733/publication.txtobserved bb658c8351ebab5caeba80c6f36d2e0c...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. |
|---|