OT-2026-000003503
Publication integrity record
Porous face vacuum gripper with pressure verification before the lift is permitted
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-2026-000003503) never changes.
Identity and time
| Publication number | OT-2026-000003503 · never reused |
|---|---|
| Internal UUID | 01a0a906-dacb-775a-bf0c-457bd6721331 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:03:13.869552Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003503 |
| Status | PUBLIC |
Content hashes
| Canonical text | c0f9eab81ab17a1ffc02174c4ea2203a43befd4ef0f4bc430f25f46dac34bfd8 |
|---|---|
| Markdown | 36e71d2e2c581ad82f199e617e6fabaa01d0263e0bba4d7412a392cbbdea8d58 |
| Publication page | dbdcbc074850907b8a26f47dcde1daac890182bb0ae8ccaa20e5a1882be9a882 |
| Manifest | 3c184aa678f697f08dbe163df6e5154e93eb0f81245853636bf1fa323b66e87b |
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 | qw/cqdz1W76/PMiqEY1xALaKyLU9LBOtc2ZA9NtJZpblV2L6saj+U8GCOHMGJaJDQ9bJINhDF20qkmaXt34EAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T09:00:34.644836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003503observed dbdcbc074850907b8a26f47dcde1daac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:34.631099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003503/manifest.jsonobserved 3c184aa678f697f08dbe163df6e5154e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:34.490242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003503/publication.mdobserved 36e71d2e2c581ad82f199e617e6fabaa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:34.475365Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003503/publication.txtobserved c0f9eab81ab17a1ffc02174c4ea2203a...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. |
|---|