OT-2026-000004883
Publication integrity record
Porous face vacuum gripper, common isolation valve, pump fed, contact triggered on the face
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-2026-000004883) never changes.
Identity and time
| Publication number | OT-2026-000004883 · never reused |
|---|---|
| Internal UUID | 01a0a926-82d3-7673-985b-8461aa945176 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:37:48.622358Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004883 |
| Status | PUBLIC |
Content hashes
| Canonical text | 56fee2685d3e111f7458a391f93561f2ce982fddd5eb367c3a58b3d35fd5ca55 |
|---|---|
| Markdown | 3ebe28258356e7e7b1f58f403ab7d97a8f080336b0241c89d5c97296c75c12c5 |
| Publication page | 5168aff17c203553d09e41207cde9cf501fa620cccfec20f885a32a395d525de |
| Manifest | 0ef1747346b44ba166c77da25fe5a198b90ad56733b66cd3cb0ce5d7f0b2ea18 |
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 | ngkugCDKpz+oQvg5MiNiXybmasINM0C+rLtg+iBrC8SBVZTFxnooRtw3PbXPCNx/OBLMllMpZl4ffH5MlMI0AQ== |
| 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
| 2026-09-16T07:40:08.715793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004883observed 5168aff17c203553d09e41207cde9cf5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:08.699668Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004883/manifest.jsonobserved 0ef1747346b44ba166c77da25fe5a198...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:08.683042Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004883/publication.mdobserved 3ebe28258356e7e7b1f58f403ab7d97a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:08.666745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004883/publication.txtobserved 56fee2685d3e111f7458a391f93561f2...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. |
|---|