OT-2026-000021828
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-2026-000021828) never changes.
Identity and time
| Publication number | OT-2026-000021828 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-79dd-b926-ce4e6f3376df · 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-2026-000021828 |
| Status | PUBLIC |
Content hashes
| Canonical text | 06e655b67b64ecbfe1d1bb6debc641ecb795c72fb90418ed804ee91c711ba8c1 |
|---|---|
| Markdown | b1e169cd69c16fc2b947657cb5e85e33578d8ceb54f36d1fc7244f97d1b92eb1 |
| Publication page | 016f35df0acee68778b4abf57e30dc85e16f37798102611520b34d34659afbcb |
| Manifest | ebbf9b2f4df47e9a1e6e573d86c365dc0a754657501a2c2f497d51fcb337b50d |
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 | RLh8uw4iOEGzXzWLKbT09FZADfWUO+Y+op9HHnmOZVkqDVAZBaLIRNa39U2TaKvvut1BrZgP8YgznjHGLvwgDg== |
| 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
| 2026-09-17T11:54:23.104240Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021828observed 016f35df0acee68778b4abf57e30dc85...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:23.088431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021828/manifest.jsonobserved ebbf9b2f4df47e9a1e6e573d86c365dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:23.069681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021828/publication.mdobserved b1e169cd69c16fc2b947657cb5e85e33...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:23.051969Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021828/publication.txtobserved 06e655b67b64ecbfe1d1bb6debc641ec...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. |
|---|