OT-2026-000031162
Publication integrity record
Foam pad vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off after set-down
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-2026-000031162) never changes.
Identity and time
| Publication number | OT-2026-000031162 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ab-7a7a-8fbb-df14a28cc0b0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031162 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7e80da83cfbb11d78c5b249e363097353e3182a627fa3ce92c989a145bf70232 |
|---|---|
| Markdown | cfc081b05ae7c8f5a835ef8d042265cb6e0f15f1bfe83052d56d16c276d2b8dd |
| Publication page | 909e5d318b6868ef5f6679683ed30672f2f0f1bf04c63a12ac05368735417f63 |
| Manifest | 90fc860bf9c76813c31a99defe119ec7cd157a769761e38cc6c7353e43b618ff |
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 | thzOOz6X4wo6+qYCrqbCOtNhl9Kb9I2YFbsndzRXsxdugbVyw3uhmKnEl6B44FichzoXPs0ysD5T9CkcOyIcAQ== |
| 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
| 2026-09-17T11:35:42.568999Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031162observed 909e5d318b6868ef5f6679683ed30672...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:42.550733Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031162/manifest.jsonobserved 90fc860bf9c76813c31a99defe119ec7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:42.501412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031162/publication.mdobserved cfc081b05ae7c8f5a835ef8d042265cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:42.449544Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031162/publication.txtobserved 7e80da83cfbb11d78c5b249e36309735...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. |
|---|