OT-2026-000006842
Publication integrity record
Porous face vacuum gripper, common isolation valve, three stage ejector, closed cell
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-2026-000006842) never changes.
Identity and time
| Publication number | OT-2026-000006842 · never reused |
|---|---|
| Internal UUID | 01a0a969-57dc-7b60-8620-9fa6500513fe · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:50:48.415476Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006842 |
| Status | PUBLIC |
Content hashes
| Canonical text | f30d502b48149d2348498a9b1386df5d80dd866737f9c7982bd29bf9dd7b0c5f |
|---|---|
| Markdown | bdd9374391acf2ffde905ee5cbcf57752efb0f7f8df5e24ca12069dbbc0738a5 |
| Publication page | 55a50d525dc4c73d0a7bd9672c51e5616e2fb5928a0bd50e0c297b6507a2c013 |
| Manifest | da3512ec3d8384b64cc4f392452b066cbd1d830963c2871442180a30fc0efa62 |
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 | VV4cXWfSCpjC1Bk8ZXgIPJS3jm93AbuYskvuB8iFRBeHnoi4aR6A4Ca6OsH1kZgPpl9ZbdWR2ikne+03HaO3CA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-09-16T09:00:30.175772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006842observed 55a50d525dc4c73d0a7bd9672c51e561...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:30.163147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006842/manifest.jsonobserved da3512ec3d8384b64cc4f392452b066c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:30.150654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006842/publication.mdobserved bdd9374391acf2ffde905ee5cbcf5775...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:30.136080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006842/publication.txtobserved f30d502b48149d2348498a9b1386df5d...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. |
|---|