OT-2026-000022271
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000022271) never changes.
Identity and time
| Publication number | OT-2026-000022271 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4fc-7ded-96cf-2e22aa569bbe · 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-2026-000022271 |
| Status | PUBLIC |
Content hashes
| Canonical text | bc81729ad9d676dfab31b2afd8fa3982298463963c029b22cedb6a56928dea40 |
|---|---|
| Markdown | 850e3e6ee080fe03f48362d15b94b64cd4d47e59e118330aca25d1f12a40a796 |
| Publication page | a2c140640de2e2bcadce9e0d121ae732e5e1afc328a560537559221504f253bb |
| Manifest | e9fbd871db71214a42a6a40d086e77f9e3f83ce1c9e1ca49af737c459fca9f24 |
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 | UKkRmcLbc3Lh2oepQKJVa+7zf1O0tlXWThIQbeXGaUbZd2KIDvl8KmU9Wf0PX1NPAk5CvSXq7xDbO1lzUqLgCQ== |
| 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
| 2026-09-17T11:53:04.207642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022271observed a2c140640de2e2bcadce9e0d121ae732...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:53:04.188156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022271/manifest.jsonobserved e9fbd871db71214a42a6a40d086e77f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:04.170180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022271/publication.mdobserved 850e3e6ee080fe03f48362d15b94b64c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:04.153123Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022271/publication.txtobserved bc81729ad9d676dfab31b2afd8fa3982...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. |
|---|