OT-2026-000004739
Publication integrity record
Vacuum cup gripper, four outlet manifold, three stage ejector, pressure verified, 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-2026-000004739) never changes.
Identity and time
| Publication number | OT-2026-000004739 · never reused |
|---|---|
| Internal UUID | 01a0a921-c8cf-7431-881f-04d823ff4b22 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:32:38.738008Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004739 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8907eaec5e42384fe9aba3015ed5237a7ef3a5f3699642e016d921037a2fc591 |
|---|---|
| Markdown | 805cbc2cce437ea09c158ee79740a0cb45ad5462213a0021849b34a379cb0ab7 |
| Publication page | 0f58d08ce815d443f3ae73c5d4b918290f4b20d023a977885087a63c207116d9 |
| Manifest | 62a641f6e855a6d6e7b29f820142b047822be34cbe267037843faca6aba7f5cd |
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 | DZPucuiuM6Iqc5ihqDIS5nO/ecLX6LuFFzrh7vb+W8MRpP90xypdvq8MOB7hXzAjViVQOjCK9gfh695hv3VvDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:24.142025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004739observed 0f58d08ce815d443f3ae73c5d4b91829...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:24.128710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004739/manifest.jsonobserved 62a641f6e855a6d6e7b29f820142b047...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:24.001801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004739/publication.mdobserved 805cbc2cce437ea09c158ee79740a0cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:23.989089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004739/publication.txtobserved 8907eaec5e42384fe9aba3015ed5237a...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. |
|---|