OT-2026-000054188
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000054188) never changes.
Identity and time
| Publication number | OT-2026-000054188 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a8-71c4-86cf-b9bcdf555bc7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:53.019909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054188 |
| Status | PUBLIC |
Content hashes
| Canonical text | cf358d1fef7fdd8efaba03322802460972f61588ec5dd02d8a341081e8c16cc8 |
|---|---|
| Markdown | fa012d92d037a878ff0b1d3a4ed65c55576f15c686c6519eacc7041f66a1f405 |
| Publication page | b2105b2aabea614022c93d746ec4a1348c69675879b22c9acc2b7c69ac00ca66 |
| Manifest | acfab347cf71268d88686ed6cfc3d2caf64abc76ec8369e829c323c7a8f6c60f |
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 | GcyJGSDXfClBF135KBCftpJesB1+e28EqdxFok3JVxPmUycoFbyqk1rwzCB1tYgvJVafu1v4p9eyIuIU3edPCA== |
| 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
| 2026-09-17T10:56:26.972398Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054188observed b2105b2aabea614022c93d746ec4a134...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:26.951876Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054188/manifest.jsonobserved acfab347cf71268d88686ed6cfc3d2ca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:26.932210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054188/publication.mdobserved fa012d92d037a878ff0b1d3a4ed65c55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:26.912564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054188/publication.txtobserved cf358d1fef7fdd8efaba033228024609...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:39.476041Z | HTTP 502 · ERRORhttps://opentechnical.org/p/OT-2026-000054188observed ...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:39.461427Z | HTTP 502 · ERRORhttps://opentechnical.org/p/OT-2026-000054188/manifest.jsonobserved ...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:39.446919Z | HTTP 502 · ERRORhttps://opentechnical.org/p/OT-2026-000054188/publication.mdobserved ...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:39.431829Z | HTTP 502 · ERRORhttps://opentechnical.org/p/OT-2026-000054188/publication.txtobserved ...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. |
|---|