OT-2026-000031238
Publication integrity record
Foam pad vacuum gripper, 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-2026-000031238) never changes.
Identity and time
| Publication number | OT-2026-000031238 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ab-7e69-ba9d-640b9c49e7e7 · 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-2026-000031238 |
| Status | PUBLIC |
Content hashes
| Canonical text | 03fa6c76d9752c00a6b1a48be3575a165b292c5a2f5e734562ba7f41abfaac94 |
|---|---|
| Markdown | 8d2a23ab69abf320c55c11a720c3cc55b465123822866a864b7def3d3220864d |
| Publication page | a069e73003626025987488efb20c56fcb7446e32dc8a3bd5397016ea51d4a35d |
| Manifest | 57006bc0984d6b126e655bc4a836c7fc5ff16ff0842f5ca8b3f0a5f2b3c62a9f |
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 | cphVkXa6c1AzV8Q9aYqEkJJBmleo9Svfh8LB/iGBz6D65WJthRtZ3j/BI1p3pc/NTeo+2R4sA3qE0eqJLXTEDw== |
| 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
| 2026-09-17T11:35:48.598786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031238observed a069e73003626025987488efb20c56fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:48.579983Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031238/manifest.jsonobserved 57006bc0984d6b126e655bc4a836c7fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:48.564014Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031238/publication.mdobserved 8d2a23ab69abf320c55c11a720c3cc55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:48.547730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031238/publication.txtobserved 03fa6c76d9752c00a6b1a48be3575a16...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. |
|---|