OT-2026-000004690
Publication integrity record
Bellows cup vacuum gripper, two zone face, 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-2026-000004690) never changes.
Identity and time
| Publication number | OT-2026-000004690 · never reused |
|---|---|
| Internal UUID | 01a0a920-4231-7d7e-a1a4-6245e16fa7c1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:30:58.741262Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004690 |
| Status | PUBLIC |
Content hashes
| Canonical text | e189f6e2cc283bc2af60dbf2b71ed2f7ab8b8250f340021804ca6cc1200a62f9 |
|---|---|
| Markdown | da3880eb75d71e43785f019c007030faa0bc198b76f4ad7f2e3fa59525983d87 |
| Publication page | dcf9ff23bbcedf101c32ee06441a4afb261c8d6157c74d6724f948f97e14e9b9 |
| Manifest | b941344a89043cf5d8a969eb5bbab6d7f534ca5e8b88dbae90c4a2e171177e88 |
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 | Sb5C9HTwjAlWnhyQU12ovioGdsZmyqiAXeqSfLlyjDcuU3cUwQSIryUUWE3DauXEQm2jFnibRr7llAD50QhCBQ== |
| 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
| 2026-09-16T07:40:29.204047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004690observed dcf9ff23bbcedf101c32ee06441a4afb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:29.189476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004690/manifest.jsonobserved b941344a89043cf5d8a969eb5bbab6d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:29.174769Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004690/publication.mdobserved da3880eb75d71e43785f019c007030fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:29.161225Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004690/publication.txtobserved e189f6e2cc283bc2af60dbf2b71ed2f7...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. |
|---|