OT-2026-000004508
Publication integrity record
Vacuum cup gripper, four outlet manifold, pump fed, 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-2026-000004508) never changes.
Identity and time
| Publication number | OT-2026-000004508 · never reused |
|---|---|
| Internal UUID | 01a0a91a-5290-7946-8eca-235625c810c0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:24:29.720117Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004508 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2b5270e44b0eead7d891aa7cfec89186db11419cd2b59406636911c7638939c7 |
|---|---|
| Markdown | 6e00c629a1ef8ef886f192727f675981632d4e3bae68e4e94d8ebdaf29a61d04 |
| Publication page | 11f4a06a7e58ca379a147be0ecc7b9c085a62715843dc4231fbb100a5f9dc9cc |
| Manifest | b307a8fe0f02b44ca00d423ee342cf78588c1f6f57edc33059f0a0c87ee64e97 |
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 | pIfkdjrlrqUQwLfA2AiSpG28YMgmSpAzAVRmP5PvsDssb11VuoV622RsecJ5JmgUycpl+z4R1Z5ab0upkqfsCw== |
| 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
| 2026-09-16T07:30:20.165583Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004508observed 11f4a06a7e58ca379a147be0ecc7b9c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:20.153925Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004508/manifest.jsonobserved b307a8fe0f02b44ca00d423ee342cf78...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:20.141109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004508/publication.mdobserved 6e00c629a1ef8ef886f192727f675981...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:20.126625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004508/publication.txtobserved 2b5270e44b0eead7d891aa7cfec89186...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. |
|---|