OT-2026-000004505
Publication integrity record
Porous face vacuum gripper, four zone face, three outlet manifold, 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-2026-000004505) never changes.
Identity and time
| Publication number | OT-2026-000004505 · never reused |
|---|---|
| Internal UUID | 01a0a91a-3b00-78ea-bcdb-8bf4bccfa60c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:24:23.684058Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004505 |
| Status | PUBLIC |
Content hashes
| Canonical text | 893d4ae427d44d68499fa64001c39694bce49afffe7b8be23d9ea81830d238e4 |
|---|---|
| Markdown | 4ecccffc6a303d7e4f8da1d141bce55071d969b13ea6fb10fe64751b90a5883c |
| Publication page | 2b7c7430d0b4612ce7acc9ce31d6f8d13103f54e5d4991c45beecd2db3337c48 |
| Manifest | 009a1900ac146b57db69ff2f059728ff7efc51334c5a203d3dd3f270f4d40a04 |
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 | 7zyN0Cx/86d6xJaKQglLFHjsPlEz3Odc08o+8YAa2dwo6Mt+kKm+XcG5sL2UFnf7e8B9ljBt4cwCo5nuyEs/Ag== |
| 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
| 2026-09-16T07:30:20.447080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004505observed 2b7c7430d0b4612ce7acc9ce31d6f8d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:20.431150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004505/manifest.jsonobserved 009a1900ac146b57db69ff2f059728ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:20.418907Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004505/publication.mdobserved 4ecccffc6a303d7e4f8da1d141bce550...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:20.407485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004505/publication.txtobserved 893d4ae427d44d68499fa64001c39694...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. |
|---|