OT-2026-000013720
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off before set-down
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-2026-000013720) never changes.
Identity and time
| Publication number | OT-2026-000013720 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de8-7283-bbd9-84903a4f2fe0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013720 |
| Status | PUBLIC |
Content hashes
| Canonical text | 63e468e68ceb2031536035750bc4c9f4a1f395093f0e19f200dd5c48262294f6 |
|---|---|
| Markdown | 2cb6c4579500e1bbe8ddfb98e5f140989b72a657334721277521b65e449c5207 |
| Publication page | bb546205289b91073b35fd29c884996c2b133d28f6e6a992ed21141cf77c6cca |
| Manifest | 5897a52bed0f3d01d7b032b6628d2b4d9d1c7eb9c595c3772dff68308aa75061 |
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 | JrXWKcCK3Id0aTybc+U/42Lj5lHoeUaKnm3/Yc3+GHXVvkrSFldwRTiIIupsO7DPW4F0l/HWo0nXdaTSRCYFCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:08:40.999048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013720observed bb546205289b91073b35fd29c884996c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:08:40.979011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013720/manifest.jsonobserved 5897a52bed0f3d01d7b032b6628d2b4d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:40.958044Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013720/publication.mdobserved 2cb6c4579500e1bbe8ddfb98e5f14098...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:40.938031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013720/publication.txtobserved 63e468e68ceb2031536035750bc4c9f4...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. |
|---|