OT-2026-000042472
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000042472) never changes.
Identity and time
| Publication number | OT-2026-000042472 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cc-7b05-a8e0-d5552359e099 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042472 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5389ac8ee02df39f20443aa0dcb3ffd5636806a1b70010167c21efa60e4ef217 |
|---|---|
| Markdown | 5cf06acd15618169218c576b7151120f2e2ac78447507967f417f5c17fc0de73 |
| Publication page | 260e5157b823f92e40374ee3c1a35c9149929905a190d625d8707f78a13dba23 |
| Manifest | 7eeca9fdc144fff42f790176f3ea9d461fc1cce40703147693107a078e789a89 |
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 | PtmlOBdhQZ3mo1dSoUuEA2z5U+tvsroHMTCflyAQNHlEJZgG+P9/0VUCzHvW+0aj9VYnXtmnhMcNI26ibuOxCA== |
| 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
| 2026-09-17T11:14:02.264419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042472observed 260e5157b823f92e40374ee3c1a35c91...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:14:02.246224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042472/manifest.jsonobserved 7eeca9fdc144fff42f790176f3ea9d46...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:02.227830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042472/publication.mdobserved 5cf06acd15618169218c576b7151120f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:02.207837Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042472/publication.txtobserved 5389ac8ee02df39f20443aa0dcb3ffd5...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. |
|---|