OT-2026-000042857
Publication integrity record
Single cup vacuum gripper, common isolation valve, two stage ejector, sustained 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-2026-000042857) never changes.
Identity and time
| Publication number | OT-2026-000042857 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-74fe-a8b7-1267e0ffaec0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042857 |
| Status | PUBLIC |
Content hashes
| Canonical text | ae76b8d840e1ff29732e1fcc231b53b4036eac39566400ef9863aaa34745ca25 |
|---|---|
| Markdown | 114242798475638a2f2b96ef4ad66ca60186f9598110d2e902672f3f788ec2e0 |
| Publication page | e47c13dfed4b4ec22b490f917089fca03897a33d3bd5b4b29fa1084bae1c73b6 |
| Manifest | e93a5ea6bc1e27a2a4b05e6daf8db789945772f5ecb41b7692096d0f69b12bc8 |
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 | JITFEpvCq3vGeCziVuBXMbmMfIMVkLIcvJ/Cd0H1iXzOfjkHbx++HWvWoGi76z3iGqckCkREGRx03+0iuUxgAA== |
| 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
| 2026-09-17T11:15:20.950373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042857observed e47c13dfed4b4ec22b490f917089fca0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:20.929730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042857/manifest.jsonobserved e93a5ea6bc1e27a2a4b05e6daf8db789...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:20.907830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042857/publication.mdobserved 114242798475638a2f2b96ef4ad66ca6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:20.889018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042857/publication.txtobserved ae76b8d840e1ff29732e1fcc231b53b4...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. |
|---|