OT-2026-000020180
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000020180) never changes.
Identity and time
| Publication number | OT-2026-000020180 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-79cd-bb51-3abf636327c3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020180 |
| Status | PUBLIC |
Content hashes
| Canonical text | b9fcc8941290c229950cf962d432125ff00dd058a933539d1cfcc0c84da5667a |
|---|---|
| Markdown | 6ea2d679024dfe940b498cca8dac7e4cd02d175b351e5207beeb3b70e6ad4fc6 |
| Publication page | 7f28be93b8496c77d672a31e9cc1af316d1fa5314ad9561213b17f8b12044ecc |
| Manifest | a80e9805b067155706e41ca6a2b5a2685849c27546dfc9874da0cefdf2722d1d |
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 | YWit51UoBnh7keIBKaBxelg7J5Wjryid3Rsalxr96zsCEIPtWzd0jVJAyC98mBbb9StuA986bAuk/5ZAy8uNBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:56:30.001885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020180observed 7f28be93b8496c77d672a31e9cc1af31...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:29.982597Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020180/manifest.jsonobserved a80e9805b067155706e41ca6a2b5a268...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:29.965362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020180/publication.mdobserved 6ea2d679024dfe940b498cca8dac7e4c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:29.947702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020180/publication.txtobserved b9fcc8941290c229950cf962d432125f...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. |
|---|