OT-2026-000028906
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000028906) never changes.
Identity and time
| Publication number | OT-2026-000028906 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7d12-b2f5-6f345cf05d26 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028906 |
| Status | PUBLIC |
Content hashes
| Canonical text | fb22ce1cf4175e7e77e7ded77d65afe1d5273c4342a7064bb5b0c16271c13a74 |
|---|---|
| Markdown | 3ff2c49432cf2b736586596052160251c6a716e63785a99cd1bae71457f5dfec |
| Publication page | a8555761263596da3fc20c2b99a8c10457e6fca6589ec3710d5f06b5357230af |
| Manifest | e8e01aca21fd012a91a830fab183196c1b97920ecc1da52049a328411b7265be |
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 | EvsIa5Av7p1zD71010BtNlHnQRzjcOjXgDq7GCZR3T5ZCBuTU2479GSGvwu0XV4asAjFvvvSXFSJHP/ICcuBDQ== |
| 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
| 2026-09-17T08:20:18.219044Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028906observed a8555761263596da3fc20c2b99a8c104...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:18.202101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028906/manifest.jsonobserved e8e01aca21fd012a91a830fab183196c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:18.018612Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028906/publication.mdobserved 3ff2c49432cf2b736586596052160251...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:17.998799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028906/publication.txtobserved fb22ce1cf4175e7e77e7ded77d65afe1...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. |
|---|