OT-2026-000021840
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000021840) never changes.
Identity and time
| Publication number | OT-2026-000021840 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7806-b53d-20213c2a2598 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021840 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1d2f0aab21969890a6a297d649d96d0ef499faad00e6bf1a94f08db3adb5c219 |
|---|---|
| Markdown | 343d9fe7800bbf9c21a25bc70fd18b03ee414e2bb33bc8be85e5bb9b7d80ea30 |
| Publication page | ba7ece228c3851bddb72b370279e012f3b18520627851c6918ce10ccf551cad2 |
| Manifest | 428f6cee16b8822d54546921616aa921fe07b18f8d531351006be7fd79bd33f9 |
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 | yKY2J0DU6DA7z0WjCEDvfI4w6panO5oXYNeE3H/WWsNAtQWR8cpVZZcbmF9ukm354YSEzgQPYGOldihMwOQhCA== |
| 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
| 2026-09-17T11:54:23.928494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021840observed ba7ece228c3851bddb72b370279e012f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:23.911679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021840/manifest.jsonobserved 428f6cee16b8822d54546921616aa921...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:23.895302Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021840/publication.mdobserved 343d9fe7800bbf9c21a25bc70fd18b03...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:23.877318Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021840/publication.txtobserved 1d2f0aab21969890a6a297d649d96d0e...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. |
|---|