OT-2026-000004502
Publication integrity record
Vacuum cup gripper, common isolation valve, pump fed, pressure verified, contact triggered on the face
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-2026-000004502) never changes.
Identity and time
| Publication number | OT-2026-000004502 · never reused |
|---|---|
| Internal UUID | 01a0a91a-2090-74dc-ac59-030ae09bd2a4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:24:16.915669Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004502 |
| Status | PUBLIC |
Content hashes
| Canonical text | 337fb0b956ec8e1cc84990261e51610b33f79d383d613785ad18a6911a4c5357 |
|---|---|
| Markdown | 9f42053fd0cb895193ad122c025499b2fe1a2b1e40442e5ee58553b7abafca8f |
| Publication page | e43e589a4766a1ad8ae13ba18f9435d0410c60e4bbf931f620b189e3d90c2bb6 |
| Manifest | b34b7fdddda39744b7ae957751925b8541a1f702f4288603ee899d90b4ed662b |
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 | H4KbGMcaR9cFXurhpDomUCoU64kXH662mOzj4yVwhLYxp08aSLqYrA0ikddjWt1Iss0/FmGnQfj7sJJFzwfgCQ== |
| 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
| 2026-09-16T07:30:20.729132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004502observed e43e589a4766a1ad8ae13ba18f9435d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:20.715738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004502/manifest.jsonobserved b34b7fdddda39744b7ae957751925b85...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:20.702718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004502/publication.mdobserved 9f42053fd0cb895193ad122c025499b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:20.690661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004502/publication.txtobserved 337fb0b956ec8e1cc84990261e51610b...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. |
|---|