OT-2026-000090411
Publication integrity record
Foam pad vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down
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-2026-000090411) never changes.
Identity and time
| Publication number | OT-2026-000090411 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2d-7770-ae90-e0191d014b04 · 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-2026-000090411 |
| Status | PUBLIC |
Content hashes
| Canonical text | 140af42156d11fc46f29c313482f66d3489573ff54754feb5c9813eb8bc6539d |
|---|---|
| Markdown | dc67b7418a8db64eb92e9321e54fa4094f9c02d605c8f8d46c7b674dca00f4d3 |
| Publication page | e22f09a17381a40f0d1b309ba9b0a07c4d8ffd731e37abc75362aebd80881269 |
| Manifest | 03d0a27363832956d1cca4ec7b02356fddfaa47d02b2fd1b329dc86a3f28ddef |
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 | RIBw20ZrED6ZNFRLmaGGBkC3SdgpWv/hOzNDBcaShnA4YdowQT0e0IuwkweebRd/QNIuOf0wFSqu5Eu9YnwrCw== |
| 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
| 2026-09-17T12:43:22.186031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090411observed e22f09a17381a40f0d1b309ba9b0a07c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:43:22.026966Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090411/manifest.jsonobserved 03d0a27363832956d1cca4ec7b02356f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:43:21.875733Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090411/publication.mdobserved dc67b7418a8db64eb92e9321e54fa409...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:43:21.701017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090411/publication.txtobserved 140af42156d11fc46f29c313482f66d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:31.541319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090411observed e22f09a17381a40f0d1b309ba9b0a07c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:31.524856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090411/manifest.jsonobserved 03d0a27363832956d1cca4ec7b02356f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:31.508042Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090411/publication.mdobserved dc67b7418a8db64eb92e9321e54fa409...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:31.491389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090411/publication.txtobserved 140af42156d11fc46f29c313482f66d3...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. |
|---|