OT-2026-000020172
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000020172) never changes.
Identity and time
| Publication number | OT-2026-000020172 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7987-b84f-b436aa58008e · 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-2026-000020172 |
| Status | PUBLIC |
Content hashes
| Canonical text | 626e924d3095b3b2daa3e6e866bf4666dc0b6c9ab8fcb33b172d7c1f2ca71aab |
|---|---|
| Markdown | 15ecf388afe67187d152ffcc401177c175aaea87f971cc3633752c9acdd518db |
| Publication page | 7e0921aa9f363ab02d89f84555d254487646fdbaeadc8eb2f9d668adbba5a70e |
| Manifest | 6e7b060f783ac67d1c9bcdbb827ccec8b0b21b17d7c7df22954f20c85ec07121 |
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 | gzsCOF9VlFXG73FAzHmrQwNagM98vHOJEpBuibRXTNJ+TpTq1w84ZSb3aWzSoMaXiQ+Jkyfi+eSTBGZ0mPFpBQ== |
| 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
| 2026-09-17T11:56:29.454429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020172observed 7e0921aa9f363ab02d89f84555d25448...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:29.432163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020172/manifest.jsonobserved 6e7b060f783ac67d1c9bcdbb827ccec8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:29.412613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020172/publication.mdobserved 15ecf388afe67187d152ffcc401177c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:29.394901Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020172/publication.txtobserved 626e924d3095b3b2daa3e6e866bf4666...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. |
|---|