OT-2026-000003831
Publication integrity record
Porous face vacuum gripper, three zone face, common isolation valve, three stage ejector
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-2026-000003831) never changes.
Identity and time
| Publication number | OT-2026-000003831 · never reused |
|---|---|
| Internal UUID | 01a0a90b-3080-77d4-b929-3a68bedfaa41 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:57.954812Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003831 |
| Status | PUBLIC |
Content hashes
| Canonical text | c2f9c0573f21da1d95cf7b6b60d0c1ba4103254ecf6a6ce037099b511b07ebc2 |
|---|---|
| Markdown | a362182ff64c6b884a1baf46d4e213bd4cbfc43f9a69590c8ee630e5084893b5 |
| Publication page | efb4eefebb8629f379713b538a6a30d14c59186f144f3da3c9c408f789eb6f3e |
| Manifest | a95bc4f06076d54712f62416eff70b4974cfeb67daecb71a942d29c3c666b46e |
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 | v3HzjjvU8bPotLlc+hLPlr7KySSvrTs/xJXBncDNERMgNZo+VFJQS0HPeNK8MfyC44uZWsE/Lukj1BkAEzIUDA== |
| 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
| 2026-09-16T07:10:17.745049Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003831observed efb4eefebb8629f379713b538a6a30d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:17.729681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003831/manifest.jsonobserved a95bc4f06076d54712f62416eff70b49...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:17.712569Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003831/publication.mdobserved a362182ff64c6b884a1baf46d4e213bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:17.694638Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003831/publication.txtobserved c2f9c0573f21da1d95cf7b6b60d0c1ba...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. |
|---|