OT-2026-000020444
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000020444) never changes.
Identity and time
| Publication number | OT-2026-000020444 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-76ba-8b8c-f6f8c1dc33f8 · 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-2026-000020444 |
| Status | PUBLIC |
Content hashes
| Canonical text | 438c31a3e5c6b1dc1908aba7ed387fac3550a5647add0b7bb9d2f4c9edcffe8c |
|---|---|
| Markdown | b08aa3f92c0a0754c39f4478ad799f9269add1bd2582854c04ad93c9e755f936 |
| Publication page | acb6042be835345756de568a17ecdbed33ff6d73eb3cb64223182b1681f5b109 |
| Manifest | 672e9e07c47068c78630277531408d95804cb2bf03d0d31976a3cb93f871f043 |
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 | s78sjhatMeVQOPVmKU8zU5OqELF6lm3vrIaes8HQtubX/m3CGUL2R/GjANIaLk9cXjFFGe14AZgA+JQK1huACA== |
| 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
| 2026-09-17T12:00:22.042434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020444observed acb6042be835345756de568a17ecdbed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:22.024420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020444/manifest.jsonobserved 672e9e07c47068c78630277531408d95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:22.005882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020444/publication.mdobserved b08aa3f92c0a0754c39f4478ad799f92...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:21.987971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020444/publication.txtobserved 438c31a3e5c6b1dc1908aba7ed387fac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.788011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020444observed acb6042be835345756de568a17ecdbed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.769311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020444/manifest.jsonobserved 672e9e07c47068c78630277531408d95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.749452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020444/publication.mdobserved b08aa3f92c0a0754c39f4478ad799f92...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:25.729772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020444/publication.txtobserved 438c31a3e5c6b1dc1908aba7ed387fac...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. |
|---|