OT-2026-000004135
Publication integrity record
Porous face vacuum gripper, three zone face, two stage ejector, 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-2026-000004135) never changes.
Identity and time
| Publication number | OT-2026-000004135 · never reused |
|---|---|
| Internal UUID | 01a0a90f-60dc-7d5a-bbd0-2e085178ea1e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:32.482220Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004135 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4df13e5cc0a89cfdc34558db07076bc9aaf11b441582baaccd11b03986054e26 |
|---|---|
| Markdown | 7a6ac65d4b878b4fbeec30156339385809694e0596028389e10205121c88cd19 |
| Publication page | 082e574de7a053eb462ae65d31334ab0bdd2b0612d11e16854ac72d8a9de088e |
| Manifest | 8aa0ab8af28d259497be4319cdcf05d1831cd14b098160defeb50317e3212cb9 |
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 | akDLj+tiozHg2CpTb7T0M6fRERMXG0XurIzdQaLdbKsEZwGANfnmhqwahY9Q40rD9pFaTkqxhhW47qlKdz+NCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:32.643027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004135observed 082e574de7a053eb462ae65d31334ab0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:32.627349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004135/manifest.jsonobserved 8aa0ab8af28d259497be4319cdcf05d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:32.497991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004135/publication.mdobserved 7a6ac65d4b878b4fbeec301563393858...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:32.483859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004135/publication.txtobserved 4df13e5cc0a89cfdc34558db07076bc9...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. |
|---|