OT-2026-000028403
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000028403) never changes.
Identity and time
| Publication number | OT-2026-000028403 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7c36-80b6-d4fa15dac509 · 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-2026-000028403 |
| Status | PUBLIC |
Content hashes
| Canonical text | 22906834f184e83662f43e5abcb5f366155282e467248549ca024b44b807c584 |
|---|---|
| Markdown | 1040ede0284a8b91366fd2a8cce6c48f2ce761041c940fd7d858841a4620a2f6 |
| Publication page | ca88e288d29003025e3f56e6b9de39dffe42e31acddb5989fba267f2f4945b92 |
| Manifest | 67f3aa218bf81ea479084df02ee0afafbc7d79b6f3db7870eb1518cc382cb2ba |
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 | vCapxeO/VROo3B6a7vSn8L1AlQ4jtjhtmmNO2kg1jq4ozlVRepMcV569JaC0+vgrlVa4F++xnCyga8j8wDB5Ag== |
| 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
| 2026-09-17T11:40:31.916449Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028403observed ca88e288d29003025e3f56e6b9de39df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:31.901117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028403/manifest.jsonobserved 67f3aa218bf81ea479084df02ee0afaf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:31.885434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028403/publication.mdobserved 1040ede0284a8b91366fd2a8cce6c48f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:31.870328Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028403/publication.txtobserved 22906834f184e83662f43e5abcb5f366...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. |
|---|