OT-2026-000005438
Publication integrity record
Vacuum cup gripper, four zone face, per zone isolation, two 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-2026-000005438) never changes.
Identity and time
| Publication number | OT-2026-000005438 · never reused |
|---|---|
| Internal UUID | 01a0a939-04d0-7e07-afd9-9c47c2988322 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:58:01.426925Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005438 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9384f8917a2b248baa76514e5f5d994195454d4750eacd497f1b129c75fbe089 |
|---|---|
| Markdown | 7c8301cd4f691a518164da7aa029cdde647fa62d03c8c9340c3016529c3509b6 |
| Publication page | 920cbcbd5ba9ace2614d360b1510ddb564f6f11cff5f11db52995e72515bddf9 |
| Manifest | 8a76f2c6a370832cc63cffa3f3213a66efb8bbf5a81eb7e6976dbcb8d73e60fb |
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 | aylh05rGIEs+fLeR2z7PjJ8L7RjePbJORaDfVugsnEfeOUi2EyllbygHndndQVg8MSbuqNr6FQ46k8LGNsi6CA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:09.465027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005438observed 920cbcbd5ba9ace2614d360b1510ddb5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:09.449866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005438/manifest.jsonobserved 8a76f2c6a370832cc63cffa3f3213a66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:09.432769Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005438/publication.mdobserved 7c8301cd4f691a518164da7aa029cdde...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:09.419166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005438/publication.txtobserved 9384f8917a2b248baa76514e5f5d9941...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. |
|---|