OT-2026-000018348
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000018348) never changes.
Identity and time
| Publication number | OT-2026-000018348 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-b489-7731-b7dd-ba6c9d636d9e · 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-2026-000018348 |
| Status | PUBLIC |
Content hashes
| Canonical text | be775e8d2a963edbb2949ae7c37a60518dec1abe4d003517fff6457578f19edb |
|---|---|
| Markdown | 55d2516b23694e3d67ff6a971d21295a4f6e5663ffd1ddbda0255ac6df807225 |
| Publication page | 8bdb71d080ff719fa3cb58c23bae3332ac112945ab652b84aa5ba69fa45ddf07 |
| Manifest | 9f25e0afb98f2ddecfc732683d4754187d5b9074e1876ba512ee76e1414b05b5 |
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 | T7n46HtT0Q/1Iajiyy3BN2LUdAwG+cLe2PmL/5omJOj2AWfzXqZq70vUFxTQYsg37m4m+VWJ2zofiqXH7z5iBQ== |
| 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
| 2026-09-17T11:59:49.440543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018348observed 8bdb71d080ff719fa3cb58c23bae3332...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:49.422596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018348/manifest.jsonobserved 9f25e0afb98f2ddecfc732683d475418...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:49.406310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018348/publication.mdobserved 55d2516b23694e3d67ff6a971d21295a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:49.388018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018348/publication.txtobserved be775e8d2a963edbb2949ae7c37a6051...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. |
|---|