OT-2026-000022515
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000022515) never changes.
Identity and time
| Publication number | OT-2026-000022515 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4fe-7d0f-80fd-1b36d4edae92 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022515 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9e53ca385413ffa70044e63a7b4e65bfb40938791b5d1ba594c4916aab76ad10 |
|---|---|
| Markdown | 8c227e3b60a0f30a2f1185ecfce711a07c2d0ba69e898e2de84f63e2de01a966 |
| Publication page | 4fccf6b433242f8d90dd286ffa9412bf421c036f4c89062f776ebeef042a9a7d |
| Manifest | ae4cdbb03bd2bb6b0be188a036c0cc4e1c3832a91576c99d0d5c94385c8bd7cc |
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 | KzSFPF5/WNPnSfQF+UUrNuhH7yx3UbL8GVFw/jgjZXV8+FZJUsA9wIWxuoF3613aYNe/XoUDvA1NZjnIFGbPCQ== |
| 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
| 2026-09-17T11:53:56.687890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022515observed 4fccf6b433242f8d90dd286ffa9412bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:53:56.672154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022515/manifest.jsonobserved ae4cdbb03bd2bb6b0be188a036c0cc4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:56.655141Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022515/publication.mdobserved 8c227e3b60a0f30a2f1185ecfce711a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:56.637793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022515/publication.txtobserved 9e53ca385413ffa70044e63a7b4e65bf...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. |
|---|