OT-2026-000004020
Publication integrity record
Vacuum cup gripper, four outlet manifold, ejector 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-2026-000004020) never changes.
Identity and time
| Publication number | OT-2026-000004020 · never reused |
|---|---|
| Internal UUID | 01a0a90c-d7ae-7f49-9fc2-3a146a0e5fee · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:46.289692Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004020 |
| Status | PUBLIC |
Content hashes
| Canonical text | a585bc2fce61b380d7f2738eb5211d8d33709d054a1addeebc56a098c44d2fe0 |
|---|---|
| Markdown | 3293b2bbcd6efba4c97b748ca099f228ebb77c42b922842e03a4c38ea1f46e23 |
| Publication page | 2c6b62ee9d9ef6160e589a5a6fc13737853a2532e055cb497e76eab38be82b87 |
| Manifest | 67abd17e571df49e8af361aa97d7429444ca7e7d359b3e8f0b678f371738eaca |
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 | zvsDiz8E72J9lua9vBVOwwNyfgPN9wREVaMMV8x8OazNsJG0D2814p2Daj7CcloyxvQIwjku3TIhOXpVVvLGBg== |
| 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
| 2026-09-16T07:10:05.845530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004020observed 2c6b62ee9d9ef6160e589a5a6fc13737...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:05.829222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004020/manifest.jsonobserved 67abd17e571df49e8af361aa97d74294...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:05.813402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004020/publication.mdobserved 3293b2bbcd6efba4c97b748ca099f228...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:05.797378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004020/publication.txtobserved a585bc2fce61b380d7f2738eb5211d8d...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. |
|---|