OT-2026-000004000
Publication integrity record
Porous face vacuum gripper, per zone isolation, two outlet manifold, two stage ejector, 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-2026-000004000) never changes.
Identity and time
| Publication number | OT-2026-000004000 · never reused |
|---|---|
| Internal UUID | 01a0a90c-9bc5-726b-82d7-b27463b244dc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:30.952365Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004000 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4ad3ae98452713a09c8b8b20910db6e8ff4c0ff6bcee86fb3ed3b24b32b9f261 |
|---|---|
| Markdown | 5e7506496f6407cbace92c1793cc82f9d43e844948db5546f0a3df02eda8c991 |
| Publication page | 05171744b4bbfc703a3a43a3ac9ab651262696026503b99bc4fbae96af1cabea |
| Manifest | f92ea0f3c137ddc83c18239ee1eb2b386ac12dbdcc20ff3c5a88cbbe09b70f41 |
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 | FsYQcfolo/L9k9lH9TczvOR60yd5qEWc3SPq7McJ6dZ504pRUl/omtE3Bkz69XQaqNaMVMlJM0vUoQHxr1b+Dg== |
| 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
| 2026-09-16T07:10:07.168574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004000observed 05171744b4bbfc703a3a43a3ac9ab651...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:07.153398Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004000/manifest.jsonobserved f92ea0f3c137ddc83c18239ee1eb2b38...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.135149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004000/publication.mdobserved 5e7506496f6407cbace92c1793cc82f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.120923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004000/publication.txtobserved 4ad3ae98452713a09c8b8b20910db6e8...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. |
|---|