OT-2026-000028886
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000028886) never changes.
Identity and time
| Publication number | OT-2026-000028886 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-790d-b9f2-6bd490e8d2fd · 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-2026-000028886 |
| Status | PUBLIC |
Content hashes
| Canonical text | ccd5d7c99169edcef719934e90a6742e5fc8ba48b0ff841262a49edf2d0a65fe |
|---|---|
| Markdown | f663ada4c17e8e4252d534e582d23b632c3ce574aad6a39c65d1259fef93b624 |
| Publication page | 1f5c0c92403244e4ba4e794f4d6eaae7c2fe6783264022479c4f51cb289ea781 |
| Manifest | 159a6dc74302ad76b8ab7856c1483a7e50fd99b9e52645a48ced63e2c69b6384 |
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 | VG/4i43/6ooP5kDMIkqoJZz8OAPUaQC9HixTnIdBcHCVEKZwO0qXOLDFN1kYD7UKqTCQkfvDwGg7Ba6tqKVrBQ== |
| 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
| 2026-09-17T08:20:15.208040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028886observed 1f5c0c92403244e4ba4e794f4d6eaae7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:15.189105Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028886/manifest.jsonobserved 159a6dc74302ad76b8ab7856c1483a7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:15.047018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028886/publication.mdobserved f663ada4c17e8e4252d534e582d23b63...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:15.030775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028886/publication.txtobserved ccd5d7c99169edcef719934e90a6742e...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. |
|---|