OT-2026-000028862
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000028862) never changes.
Identity and time
| Publication number | OT-2026-000028862 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-79d1-8bb1-1a7f1fadb37e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028862 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8148642a6f9fec5bb7d5de5f1a3ad1cc13ea377346f74f4c1f493a7727d23179 |
|---|---|
| Markdown | e4e4a0db02496afc38b191f2b28f7e87108aa093c91e0a662e476c8c653b4dd1 |
| Publication page | 27486b4f681aa3205ff8ce9b23189070cbbef8f0773b9800499537fe5f19882e |
| Manifest | 8723cf474ff7aa8e358977497cfecfe94d669bc9a2ebdfedc474fe91c8690472 |
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 | C2/tMU2l7jO1pBDRP0aelEN4wa79epwgimsi467uJx9kR2rYhiUipy3d/Qr8ySJkkGFG2lcjFDPPX2fhlQHwBQ== |
| 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
| 2026-09-17T08:20:11.427474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028862observed 27486b4f681aa3205ff8ce9b23189070...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:11.283915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028862/manifest.jsonobserved 8723cf474ff7aa8e358977497cfecfe9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:11.265189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028862/publication.mdobserved e4e4a0db02496afc38b191f2b28f7e87...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:11.247231Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028862/publication.txtobserved 8148642a6f9fec5bb7d5de5f1a3ad1cc...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. |
|---|