OT-2026-000005887
Publication integrity record
Porous face vacuum gripper, common isolation valve, plant vacuum fed, pressure verified at each zone
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-2026-000005887) never changes.
Identity and time
| Publication number | OT-2026-000005887 · never reused |
|---|---|
| Internal UUID | 01a0a948-2aae-7aea-a751-ae79a589e37e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:14:34.161741Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005887 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3273e06fd174d801cb13131853329ba81f1e5297d91d0cf3fed317bb623566a5 |
|---|---|
| Markdown | 1f3fda3c002f08ce7235129a327d0f5d60854f61b8a3751972c28c9442551e96 |
| Publication page | de82d91f59c1777da0bd510f50ab5ebb355cdebcaabcaeb77ae905ebcb55e501 |
| Manifest | ebb761c685a5300d99afc3e97e34f91c5d2a1a63ec0a9a0e8d80bfc326755077 |
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 | ZcPsZE7QGPZk3kjlw8+1QarGDf+wLN+zk6aJAsnH5DFz+0Fn/dYJnEkKzeSLP66i6mL0GNBHJKi0v0sVw0CZDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-09-16T08:20:21.412554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005887observed de82d91f59c1777da0bd510f50ab5ebb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:20:21.396228Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005887/manifest.jsonobserved ebb761c685a5300d99afc3e97e34f91c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:21.378586Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005887/publication.mdobserved 1f3fda3c002f08ce7235129a327d0f5d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:21.256382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005887/publication.txtobserved 3273e06fd174d801cb13131853329ba8...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. |
|---|