OT-2026-000028473
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000028473) never changes.
Identity and time
| Publication number | OT-2026-000028473 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7ca3-b9d1-7d6bfbdfd1f2 · 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-2026-000028473 |
| Status | PUBLIC |
Content hashes
| Canonical text | 122c97fbd5e8c2c66a95f4321cd53bf974a02be40000e60c242e5435aabdad19 |
|---|---|
| Markdown | 8013ab54c5e118012b7778c0ee189c23b2b2c579f4e6a73a898c5a80433c481b |
| Publication page | 6f3f7cdd302ec7775232bb9ab24566ffb7e25750a0f3c845bf201c4f56d9d0b0 |
| Manifest | 2659794fb33530a4812ba1c2a66afe6b407c4ee7831c3a9cf5cffb862c6fadd6 |
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 | rifpJosX2j7my8wQDbnHcD8n3uuWmrsjaedNpTkaygJolB3vHTsGAbCfLoxri7msAJxBrM6MUSWhEqlQpPNeCQ== |
| 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
| 2026-09-17T11:40:37.120029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028473observed 6f3f7cdd302ec7775232bb9ab24566ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:37.096917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028473/manifest.jsonobserved 2659794fb33530a4812ba1c2a66afe6b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:37.079235Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028473/publication.mdobserved 8013ab54c5e118012b7778c0ee189c23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:37.060904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028473/publication.txtobserved 122c97fbd5e8c2c66a95f4321cd53bf9...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. |
|---|