OT-2026-000006439
Publication integrity record
Porous face vacuum gripper, two zone face, plant vacuum fed
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-2026-000006439) never changes.
Identity and time
| Publication number | OT-2026-000006439 · never reused |
|---|---|
| Internal UUID | 01a0a95b-472f-7251-9a95-3344d6f810aa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:35:26.642720Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006439 |
| Status | PUBLIC |
Content hashes
| Canonical text | 201c288b53036ed9a338201123c6bc30312fc613c82470d779afdb9fe172294c |
|---|---|
| Markdown | 56a01b1ca1e618e44d9e2fd3b0c23cd9f684551ba808f1743c85f12ba4f0d2ca |
| Publication page | 5bd183ca8e4ea86b89c94a0b34e49f665fc3ccd33d319fb4bea3d3d30399ad11 |
| Manifest | ead2a42750d7b5922e1448f22f94948470448a0a53a59b64359126c07f73c074 |
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 | R6Jf5AK8ERvkvEY7vvgaYYaebxsmIrYsEjtoVzUnrcqPxhOK3fQjL5zVZtzh9pWFJqVguBuUjVHQFFu2SvGtAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:40:17.455189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006439observed 5bd183ca8e4ea86b89c94a0b34e49f66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:40:17.432421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006439/manifest.jsonobserved ead2a42750d7b5922e1448f22f949484...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:17.411332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006439/publication.mdobserved 56a01b1ca1e618e44d9e2fd3b0c23cd9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:17.390968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006439/publication.txtobserved 201c288b53036ed9a338201123c6bc30...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. |
|---|