OT-2026-000004336
Publication integrity record
Porous face vacuum gripper, two zone face, per zone isolation, three stage ejector
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-2026-000004336) never changes.
Identity and time
| Publication number | OT-2026-000004336 · never reused |
|---|---|
| Internal UUID | 01a0a914-64f6-7e9d-bbdb-554a6f3cc3e9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:18:01.209312Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004336 |
| Status | PUBLIC |
Content hashes
| Canonical text | 798db1e3d9dac4978aca105997ae18d3ff8c8488b02655d9e1e8522bf80f7b25 |
|---|---|
| Markdown | ef03f2f0166114659ddc551943e90acd17401e50aa9470915469de5da3d3ceba |
| Publication page | 96f61a5227e5b595010e45924e162172b6121faae70dc9cddaec096ef39135e7 |
| Manifest | 830f28ad2b4f0a9a3104740a6805d8835bab394c4d8e13959000d642fb75b37f |
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 | XA+dojoBGcl+/ZsKiLy4RIxM8jTHy6LQWcxHok8CnV1IG3l+21tnLduLfMaM8HBu6E5Pebya6pXIecxj6q29BQ== |
| 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
| 2026-09-16T07:20:09.457203Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004336observed 96f61a5227e5b595010e45924e162172...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:09.443433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004336/manifest.jsonobserved 830f28ad2b4f0a9a3104740a6805d883...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:09.426260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004336/publication.mdobserved ef03f2f0166114659ddc551943e90acd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:09.412474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004336/publication.txtobserved 798db1e3d9dac4978aca105997ae18d3...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. |
|---|