OT-2026-000022887
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000022887) never changes.
Identity and time
| Publication number | OT-2026-000022887 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46eb-7028-a61f-14ab54395d89 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022887 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0dcb671dbe74ba8d2027650be53cbb3304d715230532da35d4111883469b1f11 |
|---|---|
| Markdown | a354ebb69a3bb2e8dbbf02c388c44c2b5c9142f6f18cfca198c9a6abd6262f91 |
| Publication page | 961bc892279e9b823394c52bc4c14ba01905b8b8b1aa6da7c190c6c69479cd24 |
| Manifest | d0617cf950f8b093fa7a1475ec9d302707f69038810ec3a5e8fa1d7d3fb2cb47 |
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 | bdunt0VchuHtctG9Cl8sK1KZ0Rvb9fVvQvGOVveT6Aeoou2N5bQy34hySVblkwq2hHQHFvJBkFVbse9XMZw9Bw== |
| 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
| 2026-09-17T11:52:27.401283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022887observed 961bc892279e9b823394c52bc4c14ba0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:52:27.383193Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022887/manifest.jsonobserved d0617cf950f8b093fa7a1475ec9d3027...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:27.363972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022887/publication.mdobserved a354ebb69a3bb2e8dbbf02c388c44c2b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:27.345419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022887/publication.txtobserved 0dcb671dbe74ba8d2027650be53cbb33...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. |
|---|