OT-2026-000021173
Publication integrity record
Four 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-2026-000021173) never changes.
Identity and time
| Publication number | OT-2026-000021173 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-7d68-b8e1-f588d34ea1ce · 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-2026-000021173 |
| Status | PUBLIC |
Content hashes
| Canonical text | ab599da5c329f141d0cd542f89a6b2a2d27c9659ee90fc7b9ab9f152bd6d64fd |
|---|---|
| Markdown | beeaab124f87b86f9a8b184389914ba5898624be047c9d963e72558991367121 |
| Publication page | f6ae8045098bd6e02ca5cf84b0a55a7b229c972795bf9a40325271c04d067fae |
| Manifest | 6a0bd5e3a922ce26e56b0659e93bc075c7076ece3832e3a38fa799532d4fc714 |
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 | I+V5wwPo+r2S85zmXN+GOR6vDJE1sU4B7c8FTjgZV/WdG9Ahr4WzZDC3m6FCWzkqYqRqsGn+gRqVkZsOzOLuCQ== |
| 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
| 2026-09-17T11:54:57.016095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021173observed f6ae8045098bd6e02ca5cf84b0a55a7b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:56.994968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021173/manifest.jsonobserved 6a0bd5e3a922ce26e56b0659e93bc075...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:56.975230Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021173/publication.mdobserved beeaab124f87b86f9a8b184389914ba5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:56.955597Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021173/publication.txtobserved ab599da5c329f141d0cd542f89a6b2a2...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. |
|---|