OT-2026-000090307
Publication integrity record
Foam pad vacuum gripper, two zone face, plant vacuum 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-2026-000090307) never changes.
Identity and time
| Publication number | OT-2026-000090307 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-4290-71e4-a719-6b6c8c1dafc2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090307 |
| Status | PUBLIC |
Content hashes
| Canonical text | 34f547a2ef5ebb3ca4c2be7b15579368809557a7a2984e929e44f2aa53f9f357 |
|---|---|
| Markdown | 67edd40526417168ae4b5bf81ce3ab84c4ff5c02eeb1026e7865f97936d88401 |
| Publication page | 3b1b99085712c5c69357297fcd5795ada4b6f64cc2f10ee29dcb4b739177e7f0 |
| Manifest | 7a4238039796e3f2c8b019a2d7630752e1ee13bda86754dd0a7910fc17c550d3 |
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 | Rp5crn3uS53gUcE5RGUgpj/jDGSKFEAcQobBROkhBNheDqJBF3dgM6UaxnxvWlYBYusgKeIySoSWos+Oll/VBw== |
| 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
| 2026-09-17T09:45:34.282341Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090307observed 3b1b99085712c5c69357297fcd5795ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:45:34.264529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090307/manifest.jsonobserved 7a4238039796e3f2c8b019a2d7630752...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:34.246175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090307/publication.mdobserved 67edd40526417168ae4b5bf81ce3ab84...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:34.227091Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090307/publication.txtobserved 34f547a2ef5ebb3ca4c2be7b15579368...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. |
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