OT-2026-000020181
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000020181) never changes.
Identity and time
| Publication number | OT-2026-000020181 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7ec1-b921-8179dc1e35c0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020181 |
| Status | PUBLIC |
Content hashes
| Canonical text | a544934162a2122565d0bf417413072da9160f5831f66d4aa6751d61c9be53e3 |
|---|---|
| Markdown | 67357fc3d8ed42d815c40578060e7d3f22ec1e89348de160034f051666ed7128 |
| Publication page | 8f9c9fdea7d8e618bb3fe9e8976c65869a00f6a3d2f62e6bc0e6f4989b2beff4 |
| Manifest | 854e0baf5ba7f7e6587be8d2003014e047f0e99858ec100f93decbc4d41c076b |
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 | Obqxv9+Ky3NiUau85Q1WHI/1WmB84GPEom+jCdUyGb9hd6Uvpg1u0zN3QkKgzrrdFsEo4+0XKOUpydPystPECQ== |
| 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
| 2026-09-17T11:56:30.078136Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020181observed 8f9c9fdea7d8e618bb3fe9e8976c6586...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:30.060127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020181/manifest.jsonobserved 854e0baf5ba7f7e6587be8d2003014e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:30.042160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020181/publication.mdobserved 67357fc3d8ed42d815c40578060e7d3f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:30.022833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020181/publication.txtobserved a544934162a2122565d0bf417413072d...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. |
|---|