OT-2026-000013001
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump 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-2026-000013001) never changes.
Identity and time
| Publication number | OT-2026-000013001 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5564-7eb1-a0d0-e1b552db71b1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013001 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9041258d9f60babd0246c37aed12dd2a08a837fb532c14dd0317ae3139120555 |
|---|---|
| Markdown | 983a20c10ada567d3cbf62528748a43720335d10e308fb2ae355875345319c1c |
| Publication page | 468dc051c36aa5d2306c63a0509d105edf514676293f6abd652b886b8fbdef32 |
| Manifest | b543a064ad9973dc842bd2baf915177a29b4f24447207294f216d45e2bcb33cc |
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 | UeNFLGOrPEJMKJrxK6m1BNFjYnNbK5psIP3rjYfWfWU+dGp48qFjAidswsS3P0Y6C970trw/ssauo1zdae3NCg== |
| 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
| 2026-09-17T12:10:11.660302Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013001observed 468dc051c36aa5d2306c63a0509d105e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:11.641345Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013001/manifest.jsonobserved b543a064ad9973dc842bd2baf915177a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:11.605605Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013001/publication.mdobserved 983a20c10ada567d3cbf62528748a437...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:11.571144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013001/publication.txtobserved 9041258d9f60babd0246c37aed12dd2a...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. |
|---|