OT-2026-000021428
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000021428) never changes.
Identity and time
| Publication number | OT-2026-000021428 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7b69-bad9-46904791bbef · 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-2026-000021428 |
| Status | PUBLIC |
Content hashes
| Canonical text | 435eb6179f0f4dd04c2a04ab1ac2336ce2b4ec35d368342e0557c989b5b551e0 |
|---|---|
| Markdown | bcfa02c3ef78fe5a498d4996f494eeb676ab2d3f6c1bdac32038c394ba9cd0e4 |
| Publication page | 38e8b137ef414970f7d65313aff713a6ac3ddf4032f9abe89a164912bb130c13 |
| Manifest | 2cbaa45c0eca07d7b6df39d330131fe626fc08ddd669e1fe626edfaebab4ae8e |
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 | iOJySqXcJxQ/1iDVPrhyVQiwKtRY8TtWlSv37K026M8k4EZa62EBukhIudt1T71R9Z+FwiUZsMJW+8TLo+6IBQ== |
| 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
| 2026-09-17T11:55:19.993853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021428observed 38e8b137ef414970f7d65313aff713a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:19.972930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021428/manifest.jsonobserved 2cbaa45c0eca07d7b6df39d330131fe6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:19.949225Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021428/publication.mdobserved bcfa02c3ef78fe5a498d4996f494eeb6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:19.928931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021428/publication.txtobserved 435eb6179f0f4dd04c2a04ab1ac2336c...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. |
|---|