OT-2026-000090474
Publication integrity record
Foam pad vacuum gripper, four zone face, pump fed, pressure sensor per zone, 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-2026-000090474) never changes.
Identity and time
| Publication number | OT-2026-000090474 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-70ce-9e37-cd3f1ee0f326 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090474 |
| Status | PUBLIC |
Content hashes
| Canonical text | 30a440a700415dd206e3b5f6ef8012eef0f38ba58f1da46f91c5913803856b4e |
|---|---|
| Markdown | b64b5d99a823576b892239fd34fac55dcb497c9294e416cfcd2a504c3a0de606 |
| Publication page | 4c4706bc329cedfe84770ff5ab15df587506153a4c55abd07f3e917aa1333d8a |
| Manifest | 112693faadeae77709c5ad815e7cecaa188cdffba7a17ad41182eeac5ca6ffab |
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 | QhNaa7XG2imu8lJZY6VsBXRxDtwTMUKtmKKy9r8RxXkI0wAnz5iRE4ka27b3Daox7tGzvPqURMVF31FuVWBCBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:36.106539Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090474observed 4c4706bc329cedfe84770ff5ab15df58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:36.089629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090474/manifest.jsonobserved 112693faadeae77709c5ad815e7cecaa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:36.072416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090474/publication.mdobserved b64b5d99a823576b892239fd34fac55d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:36.055022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090474/publication.txtobserved 30a440a700415dd206e3b5f6ef8012ee...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. |
|---|