OT-2026-000006319
Publication integrity record
Vacuum cup gripper, four zone face, common isolation valve, ejector fed, contact triggered, polyurethane cups
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-2026-000006319) never changes.
Identity and time
| Publication number | OT-2026-000006319 · never reused |
|---|---|
| Internal UUID | 01a0a956-d5e1-78ee-a5b1-ad69cfe7a7e5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:30:35.493097Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006319 |
| Status | PUBLIC |
Content hashes
| Canonical text | e2291a4e8990b2a58e0930d9c3ea6b638254755f8346e79cbff40a7a25e40119 |
|---|---|
| Markdown | b63536b005b22249128ca01e865da4d9f49240055bb992fdadb81b3f5b6b286b |
| Publication page | 0227b88e7bf4cb05d8e6c394b723cc0d46f4cf0d0c649cc7093df0ce47b7251b |
| Manifest | fccd0fb816b9d706142103cb15350ec8cbde67b26b28a64f09add45c9b694c33 |
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 | 9sJofbuZ7GPfD3YDXmH1JajkWrbB5aMCWmGp8KQ5iWFgQOOrbohTsgA3Uib/qhY6hAXN84PVmiSgNXtOlMwuDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:40:31.986942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006319observed 0227b88e7bf4cb05d8e6c394b723cc0d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:40:31.954164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006319/manifest.jsonobserved fccd0fb816b9d706142103cb15350ec8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:31.940223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006319/publication.mdobserved b63536b005b22249128ca01e865da4d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:31.926259Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006319/publication.txtobserved e2291a4e8990b2a58e0930d9c3ea6b63...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. |
|---|