OT-2026-000071494
Publication integrity record
Single bellows cup vacuum gripper, pump fed, vented 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-2026-000071494) never changes.
Identity and time
| Publication number | OT-2026-000071494 · never reused |
|---|---|
| Internal UUID | 01a0ae91-e0ee-7d63-8c05-00fbe85f4098 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:11.039722Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071494 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6850a8e96de27f321a2e1f9f179b7d615ea769ea8e53cc6892f448500ecc9a55 |
|---|---|
| Markdown | a3060a4ce41ab0a58b3d4ae08d7549e3263bf87f37a70bfc000b06633282c910 |
| Publication page | e6f68b1aea296b779b8ab391fd3966a8158da572e3002c16b4bd659afd64dd6c |
| Manifest | 45d2884b79c111abad26d272bf44294869ee96a9a6e815be3c29208653164ab8 |
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 | UM5COWFRgQtr2rv8Ar5o90Xm96RJbIEgOwzxr5aNOVQHnRenkCPColv5Y+t5cZoPnIDZNVkRzP83VO2/TY0YCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:25:08.298183Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071494observed e6f68b1aea296b779b8ab391fd3966a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:25:08.278667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071494/manifest.jsonobserved 45d2884b79c111abad26d272bf442948...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:25:08.257717Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071494/publication.mdobserved a3060a4ce41ab0a58b3d4ae08d7549e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:25:08.239037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071494/publication.txtobserved 6850a8e96de27f321a2e1f9f179b7d61...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. |
|---|