OT-2026-000028535
Publication integrity record
Foam pad vacuum gripper, three zone face, per zone isolation, three 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-2026-000028535) never changes.
Identity and time
| Publication number | OT-2026-000028535 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7eb0-acb9-fa4d651f1986 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028535 |
| Status | PUBLIC |
Content hashes
| Canonical text | 421ec220f55d325f7ab4923c0ba86a4dfd2a59038cbfedd6386e1b88d07d6865 |
|---|---|
| Markdown | 48aded390959f259a4e6d36e97c2f5e9ff985edaa48f677d18692415b4a7986b |
| Publication page | 167eb9ee1c0cf0208b1d57c6fdfb277c1768106f536bfcf2a44259e583722782 |
| Manifest | 2b4b2fe54a4cc9823c93b7be9009e9e329cb00b07796ff8937468f7af423aa08 |
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 | y3zEGRTRx8eXajt+l0uef+/x1CshIB67clMikgQI8Fix65kfJR8H3uZabSGNxsHNrhh6YgPcn+aZjDGf4MNvCQ== |
| 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
| 2026-09-17T11:40:48.582833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028535observed 167eb9ee1c0cf0208b1d57c6fdfb277c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:48.564437Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028535/manifest.jsonobserved 2b4b2fe54a4cc9823c93b7be9009e9e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:48.546102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028535/publication.mdobserved 48aded390959f259a4e6d36e97c2f5e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:48.526613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028535/publication.txtobserved 421ec220f55d325f7ab4923c0ba86a4d...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. |
|---|