OT-2026-000042580
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000042580) never changes.
Identity and time
| Publication number | OT-2026-000042580 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cd-7eb2-b164-ffa0ca396485 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042580 |
| Status | PUBLIC |
Content hashes
| Canonical text | d6ddaf04bf90c02f3235c50275d21ac3e012880d986db87ab92f45791143a5e2 |
|---|---|
| Markdown | b90b4c6460cea3584e3536846615d36b23ec24c2b65c1edf9162a0eb4a1a8e50 |
| Publication page | 89183c389bc996a3af3fcc57cbf9ab1d4fc7c8a353bbc7ae790d50f2b3b79fa1 |
| Manifest | b979594282940d229d2fdfc8bbf6393e4ced82df0a5dc29a4f21df960d1a6697 |
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 | 1G3jygggE5QBlTh2sfR4JOuI8AvjhoEVC9ziYMGjJirhp0R6ukgwe+AQrWm8j0A+JbvMdMwud5jbkSBPA1vyBQ== |
| 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
| 2026-09-17T11:14:17.858558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042580observed 89183c389bc996a3af3fcc57cbf9ab1d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:14:17.838916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042580/manifest.jsonobserved b979594282940d229d2fdfc8bbf6393e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:17.818816Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042580/publication.mdobserved b90b4c6460cea3584e3536846615d36b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:17.798334Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042580/publication.txtobserved d6ddaf04bf90c02f3235c50275d21ac3...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. |
|---|