OT-2026-000021452
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000021452) never changes.
Identity and time
| Publication number | OT-2026-000021452 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7337-8b88-5b2b2de3df8e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021452 |
| Status | PUBLIC |
Content hashes
| Canonical text | 47afe3f94d8369f2f9b6f106d7ab27df240457f11cef9455e148dcc958b2d216 |
|---|---|
| Markdown | 3576cfbc86aad1820ce58cf166979b3c44b8c7b1891c9295a34a609f408c9d8b |
| Publication page | 33d62f1ab85612cef2125e7d6522f97cf7dfff3b97072d14d994ae6246b057ec |
| Manifest | 2b5fed7c893ab6f9eabe2ffcaa8513a195071b8fb95c50861a4b4efe5614cf03 |
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 | JcClRChq1TNoC0T60pCHzNcizVRmRu+HCu9sATzgYkmcwOsP30yvxvzzui1H4Zv6RVzXVdzBdPu5b5macY60DQ== |
| 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
| 2026-09-17T11:55:21.985684Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021452observed 33d62f1ab85612cef2125e7d6522f97c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:21.967960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021452/manifest.jsonobserved 2b5fed7c893ab6f9eabe2ffcaa8513a1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:21.950462Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021452/publication.mdobserved 3576cfbc86aad1820ce58cf166979b3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:21.931897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021452/publication.txtobserved 47afe3f94d8369f2f9b6f106d7ab27df...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. |
|---|