OT-2026-000020298
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000020298) never changes.
Identity and time
| Publication number | OT-2026-000020298 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7bc7-97bf-14cb65cd54d6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020298 |
| Status | PUBLIC |
Content hashes
| Canonical text | dab366338c8759bc7fe6fbfd9eb8dcb56c954349a1169f8e8212e2c8ebdb2b36 |
|---|---|
| Markdown | 57493075bc9e5a556d9b356bdb38ff0033d4e4a5e0f9d31f63fa703367487e19 |
| Publication page | 9495aaf32a4b4cafd10f710cb596d311357e76aac0722909c9234a28f7f1dede |
| Manifest | dc37450c02d722f218c4ec0169645c9fc549a2375034049291fab7e269824604 |
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 | bvm624BMKTLh/3CHEixcpcYAcT2uxnjM9aeCrxq6TxTkbnIy4sgpNjPooZ7tZHtv7+bqhzQ1i5IvUgSNMnc3Bw== |
| 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
| 2026-09-17T11:56:39.850387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020298observed 9495aaf32a4b4cafd10f710cb596d311...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:39.831869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020298/manifest.jsonobserved dc37450c02d722f218c4ec0169645c9f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:39.813751Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020298/publication.mdobserved 57493075bc9e5a556d9b356bdb38ff00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:39.794062Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020298/publication.txtobserved dab366338c8759bc7fe6fbfd9eb8dcb5...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. |
|---|