OT-2026-000030881
Publication integrity record
Single cup vacuum gripper, plant vacuum 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-2026-000030881) never changes.
Identity and time
| Publication number | OT-2026-000030881 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb5-7bf2-9401-bedf972204e4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030881 |
| Status | PUBLIC |
Content hashes
| Canonical text | 79e79bd43e62f88b4aba30d696df43273207ab954aeb93fab6ff5dcecc0f6ff9 |
|---|---|
| Markdown | 7ed9cee11cd557fac5f64f11dd3d7a4d447702e1d03ba52786aa744db485e407 |
| Publication page | 524790384f5d7cd4cbaa43f61302a73e0945706597d7c48b290f7b3f0d4beb85 |
| Manifest | 57e3552a59079a8b0917df2b10fd83bc4a651e5d1e8a3ac7d8c1def10d8c27be |
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 | OVtYx+Wil9rImKXXxDE+b0ukLdb67qGDL4wxY5xdT83aw9gZXWtEvqDFqyNn5Kkr3XVw2OCEdgm+t7jAFaYJCQ== |
| 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
| 2026-09-17T11:36:51.640307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030881observed 524790384f5d7cd4cbaa43f61302a73e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:51.623326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030881/manifest.jsonobserved 57e3552a59079a8b0917df2b10fd83bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:51.605222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030881/publication.mdobserved 7ed9cee11cd557fac5f64f11dd3d7a4d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:51.587061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030881/publication.txtobserved 79e79bd43e62f88b4aba30d696df4327...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. |
|---|