OT-2026-000003743
Publication integrity record
Vacuum cup gripper, four zone face, ejector fed, pressure verified at each zone, contact triggered
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-2026-000003743) never changes.
Identity and time
| Publication number | OT-2026-000003743 · never reused |
|---|---|
| Internal UUID | 01a0a90a-eddc-7aa8-b3be-3ef797a04dd8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:40.897415Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003743 |
| Status | PUBLIC |
Content hashes
| Canonical text | 373a6de82a563cd5aae6f9c47516220dd1b2ab5a4c24bba041d26d2ccd2f93ea |
|---|---|
| Markdown | 8b1f4692bc95fc1f559962fe79f91b8aff8f2310dd60bed02586f046823b826f |
| Publication page | b0fac2f16b77d8e1dae6ec605c6af481a1c849d896f0baa3cda7b0ad5937f201 |
| Manifest | 7f7d5b0cd2bfa8996eca1eb39107cdddc21faba4d0a42d6af992c2964ea0ae62 |
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 | lUjnqYKcwkjHgMKnX2NsRTKZTWO9WKkpN3mm/76B9xf4BtthW5k7E5f2mVYF3LDS8IR3cVor1oSU96ZbzMYKCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:23.286686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003743observed b0fac2f16b77d8e1dae6ec605c6af481...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:23.271096Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003743/manifest.jsonobserved 7f7d5b0cd2bfa8996eca1eb39107cddd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:23.256853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003743/publication.mdobserved 8b1f4692bc95fc1f559962fe79f91b8a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:23.243744Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003743/publication.txtobserved 373a6de82a563cd5aae6f9c47516220d...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. |
|---|