OT-2026-000031509
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000031509) never changes.
Identity and time
| Publication number | OT-2026-000031509 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ae-7e0d-b203-a31b2836be18 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031509 |
| Status | PUBLIC |
Content hashes
| Canonical text | 92349c25a8c1f6a26920e6b6377d1f47a6414552fc2647ff32430f101c7de6cd |
|---|---|
| Markdown | 2bcc3d4df3b950c017527d695be124553c834cdb55988a35df3a90099f617184 |
| Publication page | 2286cfe180f4d96c106a702117b0315d4930efbef355e1a5438ff98e1e9694fb |
| Manifest | 355f135c32817b233d87836ab1fede883b55c0037aa07e65201bd70b38a235a9 |
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 | DPZWamr/ZgaHl9wRQ10mbENlK9o83sMTJflitlCXKuPXJZH5T9P7Zs8OCrLvN4pFWZvyE51rUEDC2zbQWEuKAw== |
| 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
| 2026-09-17T11:36:20.501975Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031509observed 2286cfe180f4d96c106a702117b0315d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:20.483943Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031509/manifest.jsonobserved 355f135c32817b233d87836ab1fede88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:20.463623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031509/publication.mdobserved 2bcc3d4df3b950c017527d695be12455...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:20.443604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031509/publication.txtobserved 92349c25a8c1f6a26920e6b6377d1f47...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. |
|---|