OT-2026-000053509
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000053509) never changes.
Identity and time
| Publication number | OT-2026-000053509 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a92-79d1-b565-5dd60c9b4a14 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053509 |
| Status | PUBLIC |
Content hashes
| Canonical text | ebfc20988b7c5ee2b897ae6453293ace3997c770c4c1b8417106f32e9d0e3159 |
|---|---|
| Markdown | fd05fa6a37d4214dff0b7e0d599bbef566a8a77fdff85daafdf1d0f88de4dfed |
| Publication page | 9aa5b6cc61b9c99637681d4251dae8d9d7fadb2c9f3f657aaf1a272bccbc7b9b |
| Manifest | 82c824484e11a20daecf8f4772274a18b7b8033d1ce4ada12f84ffb14c18f74b |
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 | Tj57dxAm/bQ1qzl2kHcwAVMnmJLNOIBqzDUpLG83be1gH+EpGti4GPL4BZd+P9KHe3q0AcDe76DkAmEIVejPDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:55:21.227384Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053509observed 9aa5b6cc61b9c99637681d4251dae8d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:21.209341Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053509/manifest.jsonobserved 82c824484e11a20daecf8f4772274a18...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:21.191471Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053509/publication.mdobserved fd05fa6a37d4214dff0b7e0d599bbef5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:21.173728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053509/publication.txtobserved ebfc20988b7c5ee2b897ae6453293ace...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. |
|---|