OT-2026-000019238
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000019238) never changes.
Identity and time
| Publication number | OT-2026-000019238 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f391-7214-b69c-de3cdc7a71e8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019238 |
| Status | PUBLIC |
Content hashes
| Canonical text | eb47cf6a07545b74ae20c8ccd300d25a3fe7e9366c8e189ba5fbe493413559e9 |
|---|---|
| Markdown | d188eb0fe6a4ce7d6c8c65be5111900da61ad2afa3f43309d996793a9ef80d69 |
| Publication page | 4bc79bfc293e94301dffcc508a3b047895eb947962e5655add956811b8b72cce |
| Manifest | 7805963f2962698c9313c47c1ece65e9cd7f59f2b3006d89ab91b097fa7cab7e |
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 | KAQAjR6ku9+XqXAjOA0DHOkUug7V2m+1KXFxdF1aGdJbtHvVR139bN0qEZebB7DCtsEtB03hvKcRdbHvNofkDg== |
| 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
| 2026-09-17T11:58:34.228276Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019238observed 4bc79bfc293e94301dffcc508a3b0478...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:34.211406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019238/manifest.jsonobserved 7805963f2962698c9313c47c1ece65e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:34.192153Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019238/publication.mdobserved d188eb0fe6a4ce7d6c8c65be5111900d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:34.174606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019238/publication.txtobserved eb47cf6a07545b74ae20c8ccd300d25a...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. |
|---|