OT-2026-000019188
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000019188) never changes.
Identity and time
| Publication number | OT-2026-000019188 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f391-742f-98d6-165ea4df7925 · 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-2026-000019188 |
| Status | PUBLIC |
Content hashes
| Canonical text | d0f63e7967f6090c45221a7f01ee79a5f4103d80941c6d80eda882e1bf1dc52e |
|---|---|
| Markdown | a648d0f868e7a9fd6f25626f1933c4eda64247fb55fd66a33cc3887972d037d3 |
| Publication page | a77cd6f4a361e21fb2601ae43da9bf0d5aff5bd821dd4110d32ea046e7a4930d |
| Manifest | 8a46a0c994c2881f56c9701d1e19a928518b3ce4f884790077e83ea37efcf7a6 |
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 | BXz+AeBeMM1NulCj725XYwXz0fb4o0XBEA4+rWqJkI5ISajyAvXY4hOtlQ9ELGNVW4wqSlrJbRhzk7FIAEomAQ== |
| 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
| 2026-09-17T11:58:30.387648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019188observed a77cd6f4a361e21fb2601ae43da9bf0d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:30.370079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019188/manifest.jsonobserved 8a46a0c994c2881f56c9701d1e19a928...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:30.352158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019188/publication.mdobserved a648d0f868e7a9fd6f25626f1933c4ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:30.335304Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019188/publication.txtobserved d0f63e7967f6090c45221a7f01ee79a5...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. |
|---|