OT-2026-000019533
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, 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-2026-000019533) never changes.
Identity and time
| Publication number | OT-2026-000019533 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f394-7693-8fcc-5b9b87e8f04e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019533 |
| Status | PUBLIC |
Content hashes
| Canonical text | d0b9e5bd966a69e17cb12a8ee691d4c21f5a9d7047c561fc2a11cca202c6b75d |
|---|---|
| Markdown | 67dc21f7fc259c0693a6dff6e70c16825192d29b289bfc35727b38964887ecdc |
| Publication page | c36a9704b4396f035330e48af613cb8b56ebdf87dbc930e58c2d86e66a3976ff |
| Manifest | a2158897ddf24f702bc811708ff74b2c67d3456cd7aebfd11be00a2e409c58ed |
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 | pEdGxHI3vtfRG898dDCe2ZCWwmmcV26A69vaV4OHa3OLz/DqKqPS4R5sQ3ReQ/bfERaQKYBNCo3TM3iAWLSnDA== |
| 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
| 2026-09-17T11:58:58.313204Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019533observed c36a9704b4396f035330e48af613cb8b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:58.295766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019533/manifest.jsonobserved a2158897ddf24f702bc811708ff74b2c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:58.278869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019533/publication.mdobserved 67dc21f7fc259c0693a6dff6e70c1682...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:58.261823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019533/publication.txtobserved d0b9e5bd966a69e17cb12a8ee691d4c2...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. |
|---|