OT-2026-000021945
Publication integrity record
Six cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained 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-2026-000021945) never changes.
Identity and time
| Publication number | OT-2026-000021945 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7b1d-8a5a-dec62693125f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021945 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4dce3f8b214398ab719f56db00a8dfb30dbd7d90d04c0a86c2da96bcfbde2387 |
|---|---|
| Markdown | 6773a84866f79aaba4ff54c79df135cd17f0215cb446c16b603669605a311b5e |
| Publication page | 734b4bd0d14f37e3822cdebcdbf362f5d91042b35216c7301750c4e9d4f9dd7d |
| Manifest | 3b7e8fee8da4069b80b6ac5ea7fb1e2774c2e0f73f6efdd278f24c99b45a636a |
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 | vWG27g6WO+7jR2yZr+y1jyIfAshAnB1Dl+9UT6iFLQ0cH/4L5MQbmoNGntqXxUu6o3+VK6H+LuCOvsJ/3KMvDA== |
| 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
| 2026-09-17T11:54:03.699953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021945observed 734b4bd0d14f37e3822cdebcdbf362f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:03.682650Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021945/manifest.jsonobserved 3b7e8fee8da4069b80b6ac5ea7fb1e27...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:03.659813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021945/publication.mdobserved 6773a84866f79aaba4ff54c79df135cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:03.629374Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021945/publication.txtobserved 4dce3f8b214398ab719f56db00a8dfb3...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. |
|---|