OT-2026-000022972
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000022972) never changes.
Identity and time
| Publication number | OT-2026-000022972 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46ec-70a6-ba07-1fd3db5ac28e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022972 |
| Status | PUBLIC |
Content hashes
| Canonical text | c5d0f99348508948ead593871fe24178e715777ffc6fdb4ec59aa603b20ca3df |
|---|---|
| Markdown | fa94a4f1703086c91c806be9ce6c53edbf6f49eb2914607353e6d8a98f05daf4 |
| Publication page | 383f7c4c4ac57f813e9d76c261e169f8251c345340e4ba2dc01e9f4afcf66626 |
| Manifest | e1568c01e95f86e7302da4323a78843c5040f87a8b9c84e7d8b921b9d311b942 |
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 | ED4o+0HfcGOFxK7xzjg9PEb72LTJfn8YivZO6o/k9Yoec+4K7XukPHNzpe85FPr51e32Kd3fIumBya1KdHxCDw== |
| 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
| 2026-09-17T11:52:33.639853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022972observed 383f7c4c4ac57f813e9d76c261e169f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:52:33.620547Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022972/manifest.jsonobserved e1568c01e95f86e7302da4323a78843c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:33.602034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022972/publication.mdobserved fa94a4f1703086c91c806be9ce6c53ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:33.584774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022972/publication.txtobserved c5d0f99348508948ead593871fe24178...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. |
|---|