OT-2026-000013850
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000013850) never changes.
Identity and time
| Publication number | OT-2026-000013850 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de9-7534-99e5-8386d5c6bd02 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013850 |
| Status | PUBLIC |
Content hashes
| Canonical text | c68d68218c25935c2623a70a68efd144aa07808409cba774bb49017ccfa0f0a4 |
|---|---|
| Markdown | 8e2323dd5cda6546b6e1390dd79cdbb92860f1ece4bd6962b773d164862627cd |
| Publication page | 9993a01065a95570fc2ca4013708a5738a0d96e47c04da13cfe84e7b16b78cb4 |
| Manifest | fd2f506075cc93be27d03713737a4571d51bc256e1cc0397578cf46533002012 |
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 | fHtPcOjNRaPh16WeVWJ9SgTRtI7XuOrl2uXo81Ll0UiqHX0s+yAUv1zMMWr2WgDi08OD2ppRIQaN/sPzqBqRCA== |
| 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
| 2026-09-17T12:08:57.509466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013850observed 9993a01065a95570fc2ca4013708a573...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:08:57.489630Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013850/manifest.jsonobserved fd2f506075cc93be27d03713737a4571...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:57.469391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013850/publication.mdobserved 8e2323dd5cda6546b6e1390dd79cdbb9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:57.450896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013850/publication.txtobserved c68d68218c25935c2623a70a68efd144...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. |
|---|