OT-2026-000004174
Publication integrity record
Vacuum cup gripper, three zone face, common isolation valve, two stage ejector, pressure verified
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-2026-000004174) never changes.
Identity and time
| Publication number | OT-2026-000004174 · never reused |
|---|---|
| Internal UUID | 01a0a90f-f540-751d-a7a2-20a05aec36c8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:13:10.467449Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004174 |
| Status | PUBLIC |
Content hashes
| Canonical text | 74defd42f1ee027a0c14f4f0595a30bebaf3d9c0be39c91c24ae26bc5238eb88 |
|---|---|
| Markdown | 9d33eaec1402d1e4d06679889c2d3021ec9f63886c97990e3b938beb10859ab2 |
| Publication page | 4a78aaaf252d01e76cb7d51120dfcf9a3f2e3c605ef82e18a0e4380011bb5692 |
| Manifest | 584aa108ce11dbb1660e55a7b61ed3302630c8b7d907bc5126e88db04c189af7 |
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 | mvSIDkDC07vt2bLHa8i8QCS3+yv0IJJnKgXfDuHQP76jGjuInFrsYD3B5cEvnT+IMF8hf8SjaQZmAUGBRCj8CQ== |
| 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
| 2026-09-16T07:20:27.969753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004174observed 4a78aaaf252d01e76cb7d51120dfcf9a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:27.954469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004174/manifest.jsonobserved 584aa108ce11dbb1660e55a7b61ed330...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:27.936775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004174/publication.mdobserved 9d33eaec1402d1e4d06679889c2d3021...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:27.918245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004174/publication.txtobserved 74defd42f1ee027a0c14f4f0595a30be...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. |
|---|