OT-2026-000004222
Publication integrity record
Porous face vacuum gripper, four zone face, two outlet manifold, two 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-2026-000004222) never changes.
Identity and time
| Publication number | OT-2026-000004222 · never reused |
|---|---|
| Internal UUID | 01a0a911-b375-7c1f-9488-21e6c839736e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:15:04.698291Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004222 |
| Status | PUBLIC |
Content hashes
| Canonical text | 50e3e56546f760576e00f50d73e42811b13ce6fb613e6d285f3128d05cf52ebc |
|---|---|
| Markdown | 2005e2771535d657df779d63eff0e7320ee454d5c278a71a82058e3e769b557e |
| Publication page | cc75bfbb71269a6cf92d532eacde658628119f4b604723a79654978be34a6123 |
| Manifest | 191aa2ab8d2e2ccff13038208b3373e29b10f61e6b4e6d0608b85d798a659ef0 |
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 | BRxHzRILIkxJCa4UocRcaBxv4DpaEON83uLsULX5uaEm1r544Z6rw7t7nlg9HQ/tN66AaiDGkzNSX6xpvTffAw== |
| 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
| 2026-09-16T07:20:22.369886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004222observed cc75bfbb71269a6cf92d532eacde6586...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:22.233985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004222/manifest.jsonobserved 191aa2ab8d2e2ccff13038208b3373e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:22.221286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004222/publication.mdobserved 2005e2771535d657df779d63eff0e732...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:22.206348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004222/publication.txtobserved 50e3e56546f760576e00f50d73e42811...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. |
|---|