OT-2026-000028508
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, sustained blow-off before set-down
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-2026-000028508) never changes.
Identity and time
| Publication number | OT-2026-000028508 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7814-a236-0c0196b24f46 · 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-2026-000028508 |
| Status | PUBLIC |
Content hashes
| Canonical text | 12cd4a83aa3de64d51c27657b7b673f733f87fa1a094b17e117a613c364307e0 |
|---|---|
| Markdown | 38760da3448b5eed555e740ec9081f3fc777b1d9e771b814245d044dacb40191 |
| Publication page | 624f5d14a67ab807b3879805a5d2759a2e87c33450ce1309d7139f26e737e922 |
| Manifest | f03df9cc03bd5f77bb6ef94421cd5629dbe55aeb6a2262b86998ffb1846828f2 |
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 | GIjTUARSVNtjp9c73um7Zxl3v3ScL+ltzFYZD/Mod0cDKihr8xhEGPdsfMGL4wh2QrvHmImWJ4L3eek/5D25Dw== |
| 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
| 2026-09-17T11:40:46.394390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028508observed 624f5d14a67ab807b3879805a5d2759a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:46.371417Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028508/manifest.jsonobserved f03df9cc03bd5f77bb6ef94421cd5629...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:46.350724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028508/publication.mdobserved 38760da3448b5eed555e740ec9081f3f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:46.333827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028508/publication.txtobserved 12cd4a83aa3de64d51c27657b7b673f7...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. |
|---|