OT-2026-000017021
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000017021) never changes.
Identity and time
| Publication number | OT-2026-000017021 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-591b-75b5-91c5-2d2e0cb7ae20 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:22.507214Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017021 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3039ebfb6713726bb87ab2a16cb017e4676125eba32f9990791ed825b364c7c4 |
|---|---|
| Markdown | a8fa622c39fa6f62b803083f2eafda56ee2b410c92fccae5693cd74329d9334c |
| Publication page | 40dda4fc99dd4151fd12a713e439517e2ce8bdf66fe0232bcdb2f590550fbf8d |
| Manifest | eee0dd1bac540b810507f85391ff54c7fd692a6911f7edf916be1302f3d247cb |
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 | bS4RbVTX16iOu0HOnv29L8ZudMwP07Z+mZIO+rMf2fQiUG6EH1bYKIS2ME8Pt4+cDcWOEo8u9zKjV4dLRw/aDA== |
| 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
| 2026-09-17T12:03:25.820604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017021observed 40dda4fc99dd4151fd12a713e439517e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:03:25.804769Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017021/manifest.jsonobserved eee0dd1bac540b810507f85391ff54c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:03:25.786649Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017021/publication.mdobserved a8fa622c39fa6f62b803083f2eafda56...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:03:25.771123Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017021/publication.txtobserved 3039ebfb6713726bb87ab2a16cb017e4...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. |
|---|