OT-2026-000028705
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000028705) never changes.
Identity and time
| Publication number | OT-2026-000028705 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-735b-813d-9926bc72eb3e · 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-2026-000028705 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0c07653811e0e599cd4ba5be62ffb1c01a827f798981a5a34a0ba60332f9709d |
|---|---|
| Markdown | 979a87ba92b55b8e6cb116bf159efcad4f778eb4deeb5d4be2ea5945a18f09ad |
| Publication page | 7b26e2900961a90c866af54363e9ec72cf57dae8e7cd483c163c65b0c680f7c6 |
| Manifest | 4e6d7e9983b9ff3ce0d9cb907a7e96138f1de2b7dcd0cef5c311566cedef5f95 |
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 | ScnyEImBe7UFk8kwDNEJy97fevLgywoHsi4OUz0GzvBpnd+W3ybG8ceXrYUwiV72IY0s/N2tsgrjp3NHZJVECA== |
| 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
| 2026-09-17T11:41:42.370547Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028705observed 7b26e2900961a90c866af54363e9ec72...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:42.346764Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028705/manifest.jsonobserved 4e6d7e9983b9ff3ce0d9cb907a7e9613...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:42.324795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028705/publication.mdobserved 979a87ba92b55b8e6cb116bf159efcad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:42.303807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028705/publication.txtobserved 0c07653811e0e599cd4ba5be62ffb1c0...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. |
|---|