OT-2026-000004179
Publication integrity record
Porous face vacuum gripper, per zone isolation, six outlet manifold, plant vacuum fed, pressure verified
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-2026-000004179) never changes.
Identity and time
| Publication number | OT-2026-000004179 · never reused |
|---|---|
| Internal UUID | 01a0a910-f908-75d8-9c57-0da55ab79e35 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:16.971126Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004179 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1e5aa0ccce392399524842ff4e11650fa781190d6e85cc48ae6f0a913fd1f734 |
|---|---|
| Markdown | 303714d9ecafadb49bb2571df9f9cfcc44d1a7c3c1d069ba34821fea47dba29d |
| Publication page | 60cb6c30cd267162ebf34447f6d087bfa0fae75d97d342318105fb5eda7f93f6 |
| Manifest | 5e9ab3ce2ca60e24db7f590adf1d13954238f73be631340d7c33dd9af2a39341 |
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 | TTwh1sai2e7egtURnDEjSLW7O9khiwBwAAsp7xQOoYQ5f+RWhj5YE9TNBY2l4Gwr+b/GgYDK7gaxYkTIPlfVAg== |
| 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
| 2026-09-16T07:20:27.232456Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004179observed 60cb6c30cd267162ebf34447f6d087bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:27.212748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004179/manifest.jsonobserved 5e9ab3ce2ca60e24db7f590adf1d1395...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:27.196742Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004179/publication.mdobserved 303714d9ecafadb49bb2571df9f9cfcc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:27.183059Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004179/publication.txtobserved 1e5aa0ccce392399524842ff4e11650f...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. |
|---|