OT-2026-000004253
Publication integrity record
Vacuum cup gripper, three zone face, per zone isolation, pump fed
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-2026-000004253) never changes.
Identity and time
| Publication number | OT-2026-000004253 · never reused |
|---|---|
| Internal UUID | 01a0a912-a63d-79d9-a340-624ffcddbb57 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:06.848305Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004253 |
| Status | PUBLIC |
Content hashes
| Canonical text | 58f110f35023608402b37215b2bc9486ed07d9aa8e6bd13c4a9dd119ed3c92db |
|---|---|
| Markdown | 8f969f2134500db8737f2373188c9404db567a2d84382aa6437d3f15dd9f8bd5 |
| Publication page | 5dc4822c0e07e7e0a1b39596fcdcb680e4ba17b4bccd4704d7faf0e589611bc7 |
| Manifest | 791fab6b9ae2ffea7fc015c5ab81c41220f3ce20c5dce9ba1d9e1a1c9a08aca3 |
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 | wxFp1N/PRaozPtF8qNTLg5iqOTK5j18HYNnnBowy0dO/fgrk28+q6WpFF+gTZSjUwAMhj9Qo+gkzt/3mXjpbAw== |
| 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
| 2026-09-16T07:20:18.912950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004253observed 5dc4822c0e07e7e0a1b39596fcdcb680...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:18.899620Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004253/manifest.jsonobserved 791fab6b9ae2ffea7fc015c5ab81c412...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:18.884671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004253/publication.mdobserved 8f969f2134500db8737f2373188c9404...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:18.869600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004253/publication.txtobserved 58f110f35023608402b37215b2bc9486...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. |
|---|