OT-2026-000004416
Publication integrity record
Porous face vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000004416) never changes.
Identity and time
| Publication number | OT-2026-000004416 · never reused |
|---|---|
| Internal UUID | 01a0a916-fcd4-70d4-b189-d06555d2ab57 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:20:51.159558Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004416 |
| Status | PUBLIC |
Content hashes
| Canonical text | f4f743af414ca9c5c05e386cb20080d7cb26499b37fc2d5238861ff0061a6a3f |
|---|---|
| Markdown | b5d948422348f26afc84c5f138aca26ba6d7ea9bc65f4dda7166fac4806b32a2 |
| Publication page | 4eb51171e9948dadfb3a8337cc81f50ae8c085be2ab96871e6075c4624077830 |
| Manifest | 8654699d36f4b722d457dd4be416caf66af994b82296584e50c05b9f89151c37 |
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 | X3muw3K/jTwu8L0P/z/NN/r/p/fkSLSjHm0IxAGV2JII7iBQVzBW6M7T4DUqwnNykf0YlFXxAgYkbGa9RWfNAg== |
| 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
| 2026-09-16T07:30:29.974793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004416observed 4eb51171e9948dadfb3a8337cc81f50a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:29.961480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004416/manifest.jsonobserved 8654699d36f4b722d457dd4be416caf6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:29.949002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004416/publication.mdobserved b5d948422348f26afc84c5f138aca26b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:29.935922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004416/publication.txtobserved f4f743af414ca9c5c05e386cb20080d7...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. |
|---|