OT-2026-000031861
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000031861) never changes.
Identity and time
| Publication number | OT-2026-000031861 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-740c-8add-b50508398d20 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031861 |
| Status | PUBLIC |
Content hashes
| Canonical text | ad751f751c61cb1dd092fa0d591f1d4864c76af8aea1dedb478f8e53d99f019a |
|---|---|
| Markdown | 137764bc1a05e8748e55dee22ade2fb1338875222d0b34852945f636b7b95cb5 |
| Publication page | 13e809223118d337f3da14fed42ab09305dae923466923df83d7c64e2aabcc53 |
| Manifest | b8b4ff153833e96369a70262cba2041a8b9dc64cd28bafb7429a16ee827d2835 |
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 | 8nH2YkLwS5FW4koDdF4cXGBhQcXPCEowqMWi8a0PaiMtaFKy0GgnyeAN/PJxg4Q7HE+BANr4bHaHhafC9hGRAQ== |
| 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
| 2026-09-17T11:35:07.075527Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031861observed 13e809223118d337f3da14fed42ab093...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:07.053951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031861/manifest.jsonobserved b8b4ff153833e96369a70262cba2041a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:07.036150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031861/publication.mdobserved 137764bc1a05e8748e55dee22ade2fb1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:07.016792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031861/publication.txtobserved ad751f751c61cb1dd092fa0d591f1d48...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. |
|---|