OT-2026-000022221
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000022221) never changes.
Identity and time
| Publication number | OT-2026-000022221 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4fc-723b-84eb-abef40c70368 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022221 |
| Status | PUBLIC |
Content hashes
| Canonical text | ed945f9b9598060cbcc7e0e56b8aa26adf8d22a1a12e6813969842830ebe1e5c |
|---|---|
| Markdown | 7663b8749452e6a778e3aedc46bf0a2e69101f6e013dd0b768277facd31cf888 |
| Publication page | a7fb350fcc2a76ade5b96e92f8e64a605f4916701008c8867976c29eaaa1e1e1 |
| Manifest | 9139e6c5cdc5bc72672ffd804e49f83ffb4a95ed5c6405b92820730e00dc2409 |
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 | aa0i4tbfSzEKHpOUsZXXrpFVHlEYIY44TcfLb4ZGoD8OKYuK5fpX6o8ASxEbTXRHQ9oRrb2FPVRMCmCR7a88Dg== |
| 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
| 2026-09-17T11:52:54.589580Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022221observed a7fb350fcc2a76ade5b96e92f8e64a60...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:52:54.571415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022221/manifest.jsonobserved 9139e6c5cdc5bc72672ffd804e49f83f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:54.552171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022221/publication.mdobserved 7663b8749452e6a778e3aedc46bf0a2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:54.533919Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022221/publication.txtobserved ed945f9b9598060cbcc7e0e56b8aa26a...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. |
|---|