OT-2026-000090431
Publication integrity record
Foam pad vacuum gripper, three 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-2026-000090431) never changes.
Identity and time
| Publication number | OT-2026-000090431 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-7a48-9463-a070e41fd877 · 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-2026-000090431 |
| Status | PUBLIC |
Content hashes
| Canonical text | 03820dcc6ab80fdfdfb733cc0ce13dbf9d38ca92a43a05f4d7ffc2c948390c97 |
|---|---|
| Markdown | 56ba931533d49c1a7f3116b4e5a9b5241a43064925cf409f555a79605050a334 |
| Publication page | d697a58e3afba49a344f690609b3244c1cb7abae616117b7988cf7a80294e402 |
| Manifest | bfea0d87e7654afeb4e65483d3745e1e6205880ca8f937a4fcc2aae29abda98b |
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 | 3ZK4NI7YmYvePJGUpc0QrqMah52IuXLb85oLZ7O3D4tq4VSoSvrw+vS7rIduT3vKqaiUU3dLEXHa7DyCX0j9CQ== |
| 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
| 2026-09-17T09:44:32.973603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090431observed d697a58e3afba49a344f690609b3244c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:32.955946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090431/manifest.jsonobserved bfea0d87e7654afeb4e65483d3745e1e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:32.939274Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090431/publication.mdobserved 56ba931533d49c1a7f3116b4e5a9b524...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:32.921795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090431/publication.txtobserved 03820dcc6ab80fdfdfb733cc0ce13dbf...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. |
|---|