OT-2026-000021804
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000021804) never changes.
Identity and time
| Publication number | OT-2026-000021804 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7c2d-8479-51d7a3c9ace0 · 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-2026-000021804 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9a361b3e10dc425340fd8b70c0073ca4d670602f966d141cfd81713cac322d2a |
|---|---|
| Markdown | 0d163de17156387c79f8fb244e355c3755c60322d88c02f0c55a8b9c61479d91 |
| Publication page | 2a5cfd4824cb54e1b4dbff6c5ba66ead8948102aa0c8181b365dafb53045a00b |
| Manifest | 281cbbf13799b1905d4dd8647384110685a319b6e3793bf3ba4dd54728ccbdf3 |
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 | jJj3APFCo1ZqsDk2F2rg5hLbey2r9IUTwja4prVHoTNCWHLB/ZqyEtADkW5mlIkn0pXoNKDirSXw1Kd1coghCw== |
| 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
| 2026-09-17T11:54:21.445313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021804observed 2a5cfd4824cb54e1b4dbff6c5ba66ead...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:21.425729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021804/manifest.jsonobserved 281cbbf13799b1905d4dd86473841106...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:21.407781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021804/publication.mdobserved 0d163de17156387c79f8fb244e355c37...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:21.389006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021804/publication.txtobserved 9a361b3e10dc425340fd8b70c0073ca4...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. |
|---|