OT-2026-000028913
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, supply line 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-2026-000028913) never changes.
Identity and time
| Publication number | OT-2026-000028913 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-771e-a48c-ab298d335698 · 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-2026-000028913 |
| Status | PUBLIC |
Content hashes
| Canonical text | fcddf9c7c135a34209a2ecea9296ba62039ebae098f87a031c913fc6ccbbc504 |
|---|---|
| Markdown | e9720bc3a068cc100b0c7de55dc57dda14eb2e84bc86687186fc8e0265623499 |
| Publication page | 34435cd0baecbe59f60a6195a4ff17ccfe1b2d7a2c60e2d43dffeec8e3ac05d8 |
| Manifest | 35e08cbe5b9564a6e62151cbbc406e8148d059683132900f9ba78b20161fc7c7 |
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 | hVdruulJSlbrCcn8C99ACVyUdfuccoye3yeoJ45RiGv4wvZfZrkrBMcmjHhTvrfFbfYfAMA77/4uaIRgmjBXDA== |
| 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
| 2026-09-17T08:20:19.274998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028913observed 34435cd0baecbe59f60a6195a4ff17cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:19.257206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028913/manifest.jsonobserved 35e08cbe5b9564a6e62151cbbc406e81...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:19.239643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028913/publication.mdobserved e9720bc3a068cc100b0c7de55dc57dda...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:19.219786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028913/publication.txtobserved fcddf9c7c135a34209a2ecea9296ba62...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. |
|---|