OT-2026-000028681
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000028681) never changes.
Identity and time
| Publication number | OT-2026-000028681 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7507-922f-8cb9addf48e6 · 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-2026-000028681 |
| Status | PUBLIC |
Content hashes
| Canonical text | 460aa4eef6dfc18f42851bd68d9f8af9010596764bedd5370facfedad2ad31e1 |
|---|---|
| Markdown | 5ec7c366cb65b07d840099db30bd48bf470a61a3179d66995ad21214f092a659 |
| Publication page | a56d8ce7a6fbc670cc4bc0da021783aff615c97f410e1acbe107e656f7559bb6 |
| Manifest | a3944431359ecd1116b61d64642ffffd4ba7e85df0bf33f4f492735e7bdb2b7e |
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 | R7TDnrKBo44DCH+0s5sV/VqaFyyhaOdSTzmE+5GWEZuIUU/85EVjVRhgKFUQmY2no1EtrVqhz+IjslQJmAliBg== |
| 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
| 2026-09-17T11:41:34.311785Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028681observed a56d8ce7a6fbc670cc4bc0da021783af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:34.295615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028681/manifest.jsonobserved a3944431359ecd1116b61d64642ffffd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:34.278319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028681/publication.mdobserved 5ec7c366cb65b07d840099db30bd48bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:34.258042Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028681/publication.txtobserved 460aa4eef6dfc18f42851bd68d9f8af9...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. |
|---|