OT-2026-000042872
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, pulsed blow-off after 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-2026-000042872) never changes.
Identity and time
| Publication number | OT-2026-000042872 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-718f-9b46-80fe8f364464 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042872 |
| Status | PUBLIC |
Content hashes
| Canonical text | f3888a86520e673c823dbf2d62444b7e3028e06559e6c18825532cde8c684e64 |
|---|---|
| Markdown | 38c91c15770028146383d7eb3377d4e488ad8cd702f48ac5ea42065cad0d7f7d |
| Publication page | a1953f70a24f4955003cca3528dc74d9a3c97653c7b5815131ce1eb4d063cf1a |
| Manifest | 2300053c0b0c90e571ff4fb88171028565840db21793541951dff429f25e1fde |
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 | Bi6QxIkT/xFqp+fDwxKCxc4RhGD2SVWPeQTHHZuRZ59n9i4csatng4ZgYpvm+5F2NMzJS1erDfXAFhGLya93AA== |
| 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
| 2026-09-17T11:15:22.140485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042872observed a1953f70a24f4955003cca3528dc74d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:22.124150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042872/manifest.jsonobserved 2300053c0b0c90e571ff4fb881710285...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:22.104554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042872/publication.mdobserved 38c91c15770028146383d7eb3377d4e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:22.084584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042872/publication.txtobserved f3888a86520e673c823dbf2d62444b7e...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. |
|---|