OT-2026-000004196
Publication integrity record
Vacuum cup gripper, two zone face, common isolation valve, ejector fed, contact triggered
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-2026-000004196) never changes.
Identity and time
| Publication number | OT-2026-000004196 · never reused |
|---|---|
| Internal UUID | 01a0a911-3ec7-74e3-b67e-5823369160d2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:34.825550Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004196 |
| Status | PUBLIC |
Content hashes
| Canonical text | e1ad24b0638c7aec40c6218a73d231b15ca8f42c497be319ab57220613797532 |
|---|---|
| Markdown | 49e99ab0599c6e839e17c050c11396d56267f7b91adc5cd2d46132a0f335d633 |
| Publication page | 9fa654f5e5bdf510f36997328d22846000aa9a388ea89e2ff18a51c421cc9c5f |
| Manifest | 534a302ec0178bee38b83c674c28a875027df935b858362188685fff9661ca24 |
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 | ywmX5lqzIQKVcQus4yFEyGLNpAMYzSGj9rxJE8gfLPefblkmrsJ8z93HzzX50SsJCRrDCQCw2kxzQacb+1J0CA== |
| 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
| 2026-09-16T07:20:25.240657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004196observed 9fa654f5e5bdf510f36997328d228460...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:25.226197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004196/manifest.jsonobserved 534a302ec0178bee38b83c674c28a875...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:25.211759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004196/publication.mdobserved 49e99ab0599c6e839e17c050c11396d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:25.191904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004196/publication.txtobserved e1ad24b0638c7aec40c6218a73d231b1...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. |
|---|