OT-2026-000087840
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000087840) never changes.
Identity and time
| Publication number | OT-2026-000087840 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-1aa5-711e-8458-cdde42b984ff · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:03:15.638297Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087840 |
| Status | PUBLIC |
Content hashes
| Canonical text | e80dbfacb2e3a2deb622b6a077eb9698fc587001dbff448dcc4c9e5d16a051c7 |
|---|---|
| Markdown | 0c9f65c6624400b8c95e6a7f85f8efca47b92d040bdd2d6b8ba1f3482290ffde |
| Publication page | bc852b25702cc5b76aef48d4e6f3bd41b09b2b7297613dbe5459a15b75b6dd35 |
| Manifest | 4bfb79b06aad38cda41299bb8e41091fe99abd9f24229a1a952c3fd4a0327ddf |
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 | H/CUuk2+R6BIawtsJ4hFMzzIkbjN3FKIwd6APA97d/ZSnJ6MW/+u9pblXCBuzbXbvyiuOKSi9dDUsEJcKGWhDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:49:03.378173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087840observed bc852b25702cc5b76aef48d4e6f3bd41...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:49:03.356976Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087840/manifest.jsonobserved 4bfb79b06aad38cda41299bb8e41091f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:03.304979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087840/publication.mdobserved 0c9f65c6624400b8c95e6a7f85f8efca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:03.284878Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087840/publication.txtobserved e80dbfacb2e3a2deb622b6a077eb9698...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. |
|---|