OT-2026-000031192
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000031192) never changes.
Identity and time
| Publication number | OT-2026-000031192 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ab-7f0d-80e6-ebd73bf33a51 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031192 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8280bcda89cbe40c34d34dc3f0976091ffde221a6edaf4bf1164ce152ca55da4 |
|---|---|
| Markdown | 87e6b903222f8463867a3e14dd57d76480256c586c725d3e63838085a670d66b |
| Publication page | 40038962d706d22c5b31991287b4aa27e0024a0ff202aa5beda28a7879199261 |
| Manifest | 1708142b769f3c698e03934b0e64df16eea2c6248a409982410518b0a7c44c4d |
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 | Xjs3H/wTeOT29xB6Y37JjqqR/REdG3iT/4Q/XCsC9uDycRLZxPvHkcbVYMA0dQzRaG0iF6O2bByrXAFcPgHOBQ== |
| 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
| 2026-09-17T11:35:45.066803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031192observed 40038962d706d22c5b31991287b4aa27...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:45.013857Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031192/manifest.jsonobserved 1708142b769f3c698e03934b0e64df16...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:44.973008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031192/publication.mdobserved 87e6b903222f8463867a3e14dd57d764...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:44.934518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031192/publication.txtobserved 8280bcda89cbe40c34d34dc3f0976091...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. |
|---|