OT-2026-000031955
Publication integrity record
Foam pad vacuum gripper, three zone face, four outlet manifold, 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-2026-000031955) never changes.
Identity and time
| Publication number | OT-2026-000031955 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-7a97-a94f-0de94a6ea2d0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031955 |
| Status | PUBLIC |
Content hashes
| Canonical text | 13687cecc84836b2e8400ce166373eabccff1d70966048d7f846b9f077459373 |
|---|---|
| Markdown | 92f92600960b21685d259251fd4becaaf42c66c416fe01f5cdb7fb36448f7de5 |
| Publication page | 1925c17eb10072f369d1c009d36f50283980fdd74f6f93ccf7de53ec91179d56 |
| Manifest | 8849b5b1e49a9810b0f82482be0f94109b3d9637b62853930e598717b1a565c0 |
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 | 5ghYKp8h2JYoIyO/jsCdD6MdDLtE8XM0xI84FhlG0AZ3ABVEKsngJPUlfMv3PMlBjAASeP7TUc/cgEbeY3A/Dg== |
| 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
| 2026-09-17T11:35:14.553828Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031955observed 1925c17eb10072f369d1c009d36f5028...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:14.535106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031955/manifest.jsonobserved 8849b5b1e49a9810b0f82482be0f9410...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:14.510733Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031955/publication.mdobserved 92f92600960b21685d259251fd4becaa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:14.484958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031955/publication.txtobserved 13687cecc84836b2e8400ce166373eab...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. |
|---|