OT-2026-000052089
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented before set-down
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-2026-000052089) never changes.
Identity and time
| Publication number | OT-2026-000052089 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e78f-7b78-87ed-803c4dbd9f69 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052089 |
| Status | PUBLIC |
Content hashes
| Canonical text | b497fb744bf097cd456d4c388f7a5a56d1e117fc6c8b7220d5ba8d9643bf6ff1 |
|---|---|
| Markdown | c85c106d81d28550e11bd28de5ed3154af8339924bd03ab49a9ae1ae31b2ee1e |
| Publication page | c0902347ca974ef482715b34f69a611802dc025dae822cfedb350a30515b8d70 |
| Manifest | c159d1b8c5ac9c47ac85dfd767b8a542cd91fce744f444be0077a091bf9c2a4b |
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 | TrkuFayO7hFpkUArVFH34aIsLDF+ycIDr/m/YwOi8iKJXjaqiETe34Sse2CKyIfgIdZvCL/b+iU9nPCQWdvTAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T20:42:06.407770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052089observed c0902347ca974ef482715b34f69a6118...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T20:42:06.043515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052089/manifest.jsonobserved c159d1b8c5ac9c47ac85dfd767b8a542...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:42:05.870985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052089/publication.mdobserved c85c106d81d28550e11bd28de5ed3154...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:42:05.441557Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052089/publication.txtobserved b497fb744bf097cd456d4c388f7a5a56...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:37.315490Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052089observed c0902347ca974ef482715b34f69a6118...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:37.298158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052089/manifest.jsonobserved c159d1b8c5ac9c47ac85dfd767b8a542...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:37.279642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052089/publication.mdobserved c85c106d81d28550e11bd28de5ed3154...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:37.261287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052089/publication.txtobserved b497fb744bf097cd456d4c388f7a5a56...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. |
|---|