OT-2026-000056107
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000056107) never changes.
Identity and time
| Publication number | OT-2026-000056107 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4b-7394-991e-69ea28856fdd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056107 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9ac1df0c961bee5120c938368d9dc841ebd7378f7ee339e5ffcb58d6a8fc870d |
|---|---|
| Markdown | b4946379f92eec0a2135a838b037484bc67183f12e8352ed4e14e9825bb243f9 |
| Publication page | 8e623324eb99f8b24bbb5dfed21b1c08b21bac3d2d8855ebfa659e0a3d5b4d14 |
| Manifest | e1282d098496f81462ae658aca6c2e13e4ae4265ad9c3579d035b4d842ca8a31 |
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 | 6PPfu7DGwl3MXrLurdwKnux6SI1H+otKzGTiRQgdir/3pAUwpzFaIyxAHYedJh+OOlp9XBB3Du6hEvWnt4lcBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:38.915178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056107observed 8e623324eb99f8b24bbb5dfed21b1c08...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:38.897705Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056107/manifest.jsonobserved e1282d098496f81462ae658aca6c2e13...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:38.879692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056107/publication.mdobserved b4946379f92eec0a2135a838b037484b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:38.861241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056107/publication.txtobserved 9ac1df0c961bee5120c938368d9dc841...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. |
|---|