OT-2026-000028142
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000028142) never changes.
Identity and time
| Publication number | OT-2026-000028142 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7180-a99c-0412ece23307 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028142 |
| Status | PUBLIC |
Content hashes
| Canonical text | 63eaed7b18a2fd90175719bf341ff2e418b3c80c8fd0e15760f9e2bae54e20d4 |
|---|---|
| Markdown | b77e8d28a1884db7c4e5912463842bc9d966de90f46ac46c2be0459b38cddb50 |
| Publication page | cecaa41b396bdcdd00cc8b2c38baf716d9f8b8dc78d0bbfc7f2c74e7b71f804e |
| Manifest | 539e34c403a179e34f6c4f90e4a3224b28432974ec6a01d9db5fe6e46bf44a4d |
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 | TJy0mDXlql3srYiqyDgB3eBXCI48v295yvZ6rwTw2kusLV8Ty4Q5mpdjVzR9Kzo82phXxP9DruUr8bLTiccrCw== |
| 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
| 2026-09-17T11:42:29.713335Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028142observed cecaa41b396bdcdd00cc8b2c38baf716...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:29.696247Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028142/manifest.jsonobserved 539e34c403a179e34f6c4f90e4a3224b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:29.677463Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028142/publication.mdobserved b77e8d28a1884db7c4e5912463842bc9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:29.658629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028142/publication.txtobserved 63eaed7b18a2fd90175719bf341ff2e4...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. |
|---|