OT-2026-000018250
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000018250) never changes.
Identity and time
| Publication number | OT-2026-000018250 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-b488-7bdb-8836-9d21ce7d9dfc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:45.971508Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018250 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3238bd9cbeeeb9b3676e64801f6e89b7ba6a15a780265f844a9f53ba0f7b53c0 |
|---|---|
| Markdown | abc66881fd338307846d40a8c8c09be902d64caf7a52d84cd06951bed1795879 |
| Publication page | cefcf0d49444d0b41894ba6632d52ae5d08546d62003890263b1b9f8b8feda4c |
| Manifest | 6a7ac54f4d762d48be637e9330dea1ee5669aceca3e14952e2e3178bf01a5b88 |
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 | 9VXwdUPlXUkNm828NoAhIgCsFIyGWkvBynvqoKAB9QhxrNgUh51eZ2cTxuzt9MxYmOvVyWQslMwQB7LOMrEmCQ== |
| 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
| 2026-09-17T12:00:04.365159Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018250observed cefcf0d49444d0b41894ba6632d52ae5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:04.345325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018250/manifest.jsonobserved 6a7ac54f4d762d48be637e9330dea1ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:04.325375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018250/publication.mdobserved abc66881fd338307846d40a8c8c09be9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:04.297950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018250/publication.txtobserved 3238bd9cbeeeb9b3676e64801f6e89b7...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. |
|---|