OT-2026-000020290
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-2026-000020290) never changes.
Identity and time
| Publication number | OT-2026-000020290 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7c25-b59a-813c44d94b33 · 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-2026-000020290 |
| Status | PUBLIC |
Content hashes
| Canonical text | b1c0a230c81b4da7a7a040bab27ed27b5d21b4d7358d776aba40d3c88eacba7e |
|---|---|
| Markdown | fc5bdef3374d211c3e7c1df18bd95c72da8ee201946c49e85924e3bd0cff98f5 |
| Publication page | caaa6aee1af75eef23d671894bb7d8b33e5988f61f0e14bb3a6f11e7a289c678 |
| Manifest | e697f23a29f04f8679afa0e813588ad615b85a9c5580466a17c5dd8993702255 |
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 | kqIEgKz+0B5Bu3bgjXYtffbEE2ckJLojevNOEYqeHdMlezOxZnsQCZyAlQqFMI4DCZkSs+jL80iJLFm3cTM3AQ== |
| 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
| 2026-09-17T11:56:38.966307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020290observed caaa6aee1af75eef23d671894bb7d8b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:38.948187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020290/manifest.jsonobserved e697f23a29f04f8679afa0e813588ad6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:38.928377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020290/publication.mdobserved fc5bdef3374d211c3e7c1df18bd95c72...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:38.908167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020290/publication.txtobserved b1c0a230c81b4da7a7a040bab27ed27b...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. |
|---|