OT-2026-000004152
Publication integrity record
Porous face vacuum gripper, six outlet manifold, ejector 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-2026-000004152) never changes.
Identity and time
| Publication number | OT-2026-000004152 · never reused |
|---|---|
| Internal UUID | 01a0a90f-95fe-75cd-9e1e-e984e7451069 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:46.080665Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004152 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4ac8e9a1c190a03bb55b47c15ea45a775f2e0a3aa4647874907ad7ed5105e7a1 |
|---|---|
| Markdown | 44b6790c8e8d49cbfeb6d76caf2213d4893b6b53b9e2851dd32cbdaad9bf7e6e |
| Publication page | 7aa25064d89824cfa12af0116f21fff9d63c17451b824b30add9d27bbfd60a5c |
| Manifest | 8cbc0ed03826642f69a943a8585f655df663f3c53c404cd420f7fe65b8bd114d |
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 | Q77w9MgwbxlmRgCpTe8wfnjL7g3HibYh8v5m3MVgKgZih6AsaW5G6W4/QCR09RwB1BivHWkLaDPJva7g0rNfCQ== |
| 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
| 2026-09-16T07:20:30.484835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004152observed 7aa25064d89824cfa12af0116f21fff9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:30.470220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004152/manifest.jsonobserved 8cbc0ed03826642f69a943a8585f655d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:30.453015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004152/publication.mdobserved 44b6790c8e8d49cbfeb6d76caf2213d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:30.437653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004152/publication.txtobserved 4ac8e9a1c190a03bb55b47c15ea45a77...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. |
|---|