OT-2026-000042831
Publication integrity record
Foam pad vacuum gripper, two zone face, four outlet manifold, pump 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-2026-000042831) never changes.
Identity and time
| Publication number | OT-2026-000042831 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d0-73cc-b8fd-643fa1c07c0d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042831 |
| Status | PUBLIC |
Content hashes
| Canonical text | 19e18bada7222e0436d075e9b3eb0b82a5168bce40d3a9f13a526baceafa1120 |
|---|---|
| Markdown | 4b27502ca6f45a213ee7213fdb0020f5884b23a53a60bc527791459e83a9ec50 |
| Publication page | 0ee7bd96b8ac2039bdfa7bd0a331594d8d7640f3a2faedf6d8452885bfc022b5 |
| Manifest | 7f4caea2b11d0d47c1c4c9cc529f82a35a3341662463da4e46b3ef5137a34e50 |
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 | YGtOxvIwJCHvZTwW2zIWXDJ8VbITG2fCuv40rNsUurNs0BYVbxzaJIYxt+ohM+PuYtYpzhZ3FWSmx0j3sCloCQ== |
| 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
| 2026-09-17T11:15:18.774434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042831observed 0ee7bd96b8ac2039bdfa7bd0a331594d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:18.753314Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042831/manifest.jsonobserved 7f4caea2b11d0d47c1c4c9cc529f82a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:18.734210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042831/publication.mdobserved 4b27502ca6f45a213ee7213fdb0020f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:18.713167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042831/publication.txtobserved 19e18bada7222e0436d075e9b3eb0b82...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. |
|---|