OT-2026-000028250
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000028250) never changes.
Identity and time
| Publication number | OT-2026-000028250 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f4-7f40-804c-89f43daeea5f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028250 |
| Status | PUBLIC |
Content hashes
| Canonical text | 29ffdcafaa906a036bf23a06aac19dd3e577a930e92bf1518b8bb5329aa9672a |
|---|---|
| Markdown | 2ff7be515ef5bb2c79a15660aac7ce1db24d8034cb9e39aa5ef7e45df2d84908 |
| Publication page | 7501c233dd232e4fb39482f402a37731431e8b5ebe9106742215870c916b3fae |
| Manifest | e27bfeb8048f51b43382920c1ed17e6f9887de4745536412c4c13b21225e2eb3 |
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 | d3Fig+4Bn0FUg1txeAEYaj4s7obtOnSwbr3UBhoTGTMoF9jVJkcPuHZg7xUB3IveaEQW2P/Q0pgexQDoWQDjCw== |
| 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
| 2026-09-17T11:40:07.325648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028250observed 7501c233dd232e4fb39482f402a37731...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:07.305117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028250/manifest.jsonobserved e27bfeb8048f51b43382920c1ed17e6f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:07.287151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028250/publication.mdobserved 2ff7be515ef5bb2c79a15660aac7ce1d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:07.267198Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028250/publication.txtobserved 29ffdcafaa906a036bf23a06aac19dd3...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. |
|---|