OT-2026-000075683
Publication integrity record
Foam pad vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000075683) never changes.
Identity and time
| Publication number | OT-2026-000075683 · never reused |
|---|---|
| Internal UUID | 01a0ae94-29fd-78fa-88dc-3c3133e1ba1d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:40.814795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075683 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1028221f03907b20cb6333c421256a3c2a6aab87f511c831550e2ac66383d7b2 |
|---|---|
| Markdown | 80063cdb4d027065898c156b03966061acded0512cdedea707b4128363192fda |
| Publication page | 6eaa09b7712b1dc38b8aa7c82c7767d9d2fca59643d8c38d4cbb934d15f3ac36 |
| Manifest | 2b3dd9b2b5b2170b7455bdfa9929211ee7639e2220f9f4ddb7e51f3c16683871 |
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 | Tx+7SOkrxxH8eN10Ei+i06+Mcf4RwDOXRF/s7c/5TzLceOn3Y8bDPKFNO9x9UtNznrJLsED7MiPbwFu8C3vIAQ== |
| 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
| 2026-09-17T10:13:51.257134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075683observed 6eaa09b7712b1dc38b8aa7c82c7767d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:13:51.236157Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075683/manifest.jsonobserved 2b3dd9b2b5b2170b7455bdfa9929211e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:13:51.216118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075683/publication.mdobserved 80063cdb4d027065898c156b03966061...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:13:51.058069Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075683/publication.txtobserved 1028221f03907b20cb6333c421256a3c...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. |
|---|