OT-2026-000004390
Publication integrity record
Vacuum cup gripper, common isolation valve, three outlet manifold, ejector fed, pressure verified, polyurethane cups
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-2026-000004390) never changes.
Identity and time
| Publication number | OT-2026-000004390 · never reused |
|---|---|
| Internal UUID | 01a0a916-0bbf-7fdc-bf6f-b5583f3e6ebe · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:19:49.441565Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004390 |
| Status | PUBLIC |
Content hashes
| Canonical text | 57e399d784a4f66829e21de49933d65a113c6d0eb3bfe24ec08d423d4796aa25 |
|---|---|
| Markdown | 5ac11aeefa1dc8dbd448c01bf00af6fdef6a78dd2e97baf27fc563ddbf9d312a |
| Publication page | 7a0522e0ef8c3f06aebaeca8b10e07e6497bbf0401d9f4de0a322290b2cc4773 |
| Manifest | b1292868ea40c43a7b429ad97c56d22948bfbf137c3d810e59b7bcb9b03fd9e3 |
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 | fZuBGmV6KRnBlfEK+6wbU6mqGguMez1PhlUHKCxOYQMP1ZbJY419A6s3JZh6WbjfC4By0sl8woMBL5N9e/YeCA== |
| 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
| 2026-09-16T07:20:03.210417Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004390observed 7a0522e0ef8c3f06aebaeca8b10e07e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:03.195987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004390/manifest.jsonobserved b1292868ea40c43a7b429ad97c56d229...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:03.182307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004390/publication.mdobserved 5ac11aeefa1dc8dbd448c01bf00af6fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:03.167132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004390/publication.txtobserved 57e399d784a4f66829e21de49933d65a...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. |
|---|