OT-2026-000028619
Publication integrity record
Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off before set-down
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-2026-000028619) never changes.
Identity and time
| Publication number | OT-2026-000028619 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7c4d-a526-75b3941083ee · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028619 |
| Status | PUBLIC |
Content hashes
| Canonical text | a5293f6052d88da070e6f913ac881fcca01dbe51893593704d28573b33494566 |
|---|---|
| Markdown | 6f7ef0b2d78273cf6ab6787dbba3a0eada16961bf6e1d69dd73a55d37eda9a8f |
| Publication page | d861229deadc9f232ced25bc57ad8cec75b76969cdc7bea13d3eb6171a148fed |
| Manifest | 84abdd247e0263b53a6f2e9e8310e07eb45f5a7155d9acbc8aab66e25a5c9f17 |
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 | 8LLOIDZ9HMCad7Md/awVjwXkOLDQe8/vRjwxIf8DsuIJHNJN9YGxg+XWcAHGAl581Hf52ezPoFaIU2JRr7qxCA== |
| 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
| 2026-09-17T11:41:29.023929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028619observed d861229deadc9f232ced25bc57ad8cec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:29.003744Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028619/manifest.jsonobserved 84abdd247e0263b53a6f2e9e8310e07e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:28.987528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028619/publication.mdobserved 6f7ef0b2d78273cf6ab6787dbba3a0ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:28.968337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028619/publication.txtobserved a5293f6052d88da070e6f913ac881fcc...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. |
|---|