OT-2026-000005723
Publication integrity record
Porous face vacuum gripper, common isolation valve, pump fed, pressure verified, contact triggered, open cell
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-2026-000005723) never changes.
Identity and time
| Publication number | OT-2026-000005723 · never reused |
|---|---|
| Internal UUID | 01a0a942-ac54-7bd5-bfa8-1dbe10269279 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:08:34.135501Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005723 |
| Status | PUBLIC |
Content hashes
| Canonical text | d4a2766dca14d1fda90ad838630320be5880c5c7924796e801c3ceca7606793a |
|---|---|
| Markdown | cf60548ccffc2c2f70d762475eb01e5b1b034603b9d24939c6bca2da10b222d1 |
| Publication page | c07283423eb7713562f2d9bf488ce7679387daabdafba58917a459354f58a4a1 |
| Manifest | 27a0c65274a5ddd2fab061f361f250ee7fcc888b152823b9cfcd92102fff8297 |
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 | 6mBJwPc27jPuN5WezerslkFk0IqNmIOiDJodLncSN2miRA8hVwpuZQcJXlsPEWDFUMebQsArE0zdPK9Yrz1UDg== |
| 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
| 2026-09-16T08:10:07.219243Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005723observed c07283423eb7713562f2d9bf488ce767...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:07.206162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005723/manifest.jsonobserved 27a0c65274a5ddd2fab061f361f250ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:07.191550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005723/publication.mdobserved cf60548ccffc2c2f70d762475eb01e5b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:07.177493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005723/publication.txtobserved d4a2766dca14d1fda90ad838630320be...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. |
|---|