OT-2026-000004289
Publication integrity record
Porous face vacuum gripper, four zone face, three stage ejector, contact triggered on the face
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-2026-000004289) never changes.
Identity and time
| Publication number | OT-2026-000004289 · never reused |
|---|---|
| Internal UUID | 01a0a913-39f5-7386-8d6a-96252f83a3c9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:44.665619Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004289 |
| Status | PUBLIC |
Content hashes
| Canonical text | 30a3d38ade32ec3a8545724c9d1d8969f7d67d5fe34d685bd39251777820bfb4 |
|---|---|
| Markdown | b286c8e15685839148dc145510bebde40e428c9c170256db2ee8aa72f120fdda |
| Publication page | 2d90b0aca9f1d656127769b8e54c1b138f3638467ae396e998868595bdea1867 |
| Manifest | 498b7a8aed2e6064215b0d115c267fb4c2982b0940bea71782aa36ada21203d0 |
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 | 3JarKvoGCT7MIi7vGUba4b8CauUipeuW796rGKpzyU/C9r4jU8BOdXtJ54OUWo20Te63iSoMq28ZIO3EQJxAAA== |
| 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
| 2026-09-16T07:20:14.698206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004289observed 2d90b0aca9f1d656127769b8e54c1b13...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:14.683701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004289/manifest.jsonobserved 498b7a8aed2e6064215b0d115c267fb4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:14.670400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004289/publication.mdobserved b286c8e15685839148dc145510bebde4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:14.656763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004289/publication.txtobserved 30a3d38ade32ec3a8545724c9d1d8969...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. |
|---|