OT-2026-000020439
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000020439) never changes.
Identity and time
| Publication number | OT-2026-000020439 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-783f-ac05-19248006ba5f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020439 |
| Status | PUBLIC |
Content hashes
| Canonical text | bf916a19ae7767718232ecea4e7c4a2fb86864d276e9933ae7e1f217d969f828 |
|---|---|
| Markdown | cbb7c4a94ab144f3341f42ba2559beedfed41ee3c32f2853c4138cfd9cd75dd7 |
| Publication page | 9e23851ad86d6ab180c0abe399930250edd0cade8231bc93fcf768c1e50f4ebc |
| Manifest | ebf3668e202def73cc98164d6af1adb3d34ac47b78259db9b227a8751108b21b |
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 | cL9iucZH/yVyN7Vfli+x2KxFZHNzyV0RCeY2FxJiVpjyPmuEGpW2qOIjqvMaLumBFXz+f6OAMlpKjOQ0W6dfBg== |
| 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
| 2026-09-17T12:00:21.306799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020439observed 9e23851ad86d6ab180c0abe399930250...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:21.284476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020439/manifest.jsonobserved ebf3668e202def73cc98164d6af1adb3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:21.261816Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020439/publication.mdobserved cbb7c4a94ab144f3341f42ba2559beed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:21.238661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020439/publication.txtobserved bf916a19ae7767718232ecea4e7c4a2f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.107790Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020439observed 9e23851ad86d6ab180c0abe399930250...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.090701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020439/manifest.jsonobserved ebf3668e202def73cc98164d6af1adb3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.074458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020439/publication.mdobserved cbb7c4a94ab144f3341f42ba2559beed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.057943Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020439/publication.txtobserved bf916a19ae7767718232ecea4e7c4a2f...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. |
|---|