OT-2026-000004437
Publication integrity record
Vacuum cup gripper, two zone face, common isolation valve, ejector 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-2026-000004437) never changes.
Identity and time
| Publication number | OT-2026-000004437 · never reused |
|---|---|
| Internal UUID | 01a0a917-b185-7661-8092-c450bda8827c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:21:37.416300Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004437 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2e996ea937ae941ffda3b4b7a71cf85dfb3b98f3fce875fb90375a353fcf5d13 |
|---|---|
| Markdown | 3324f93fc347732bcab3adba819c38ec28f8c058698d3f1ad776f9d88c48206e |
| Publication page | 7e2a67c6f2e49be99b4e94f07bdfabd6789a7c5cde464e21c1c2f61770db6ac0 |
| Manifest | f73313baa461519415878640a6dbf9b741103ceec7ae3e6cd1245688984e970f |
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 | 16nG3GOHPLvMiA3hgj57HrJ5vguRzx3syzDAmz/Cba7zzCoHP0Mtz2ab/tu9RnZhvaeGB0URgDPiWN0JpoMMDg== |
| 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
| 2026-09-16T07:30:27.673598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004437observed 7e2a67c6f2e49be99b4e94f07bdfabd6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:27.660839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004437/manifest.jsonobserved f73313baa461519415878640a6dbf9b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:27.647076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004437/publication.mdobserved 3324f93fc347732bcab3adba819c38ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:27.632223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004437/publication.txtobserved 2e996ea937ae941ffda3b4b7a71cf85d...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. |
|---|