OT-2026-000042836
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, pulsed blow-off after 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-2026-000042836) never changes.
Identity and time
| Publication number | OT-2026-000042836 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d0-770f-af80-14985a3f53f8 · 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-2026-000042836 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7d47d602cc94f42560047b2d144229787cdc3048c51ff233cc7bd7eb326c9cb6 |
|---|---|
| Markdown | f4f934bd056b29eb83761856851f44379067c61a9ae295c8ea21926264d2fea1 |
| Publication page | 7583b882eb3e7937df1e726a0ca2830b192c6c898f4c854ee47eb7c3b8970e36 |
| Manifest | a0c2c6bb9ec8222c0e07a006a05a0a0262d36a120f189a066ccad29bb57a4b23 |
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 | 7BXY0eoewOUDHZngOwM5Q0GCFwW0gT/u5XeimvzeD+DnEN0gqmEXjF7s7Ol07QzObOXCQ+CUDnE68T2M/5v4Bg== |
| 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
| 2026-09-17T11:15:19.225350Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042836observed 7583b882eb3e7937df1e726a0ca2830b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:19.204763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042836/manifest.jsonobserved a0c2c6bb9ec8222c0e07a006a05a0a02...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:19.183487Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042836/publication.mdobserved f4f934bd056b29eb83761856851f4437...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:19.157422Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042836/publication.txtobserved 7d47d602cc94f42560047b2d14422978...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. |
|---|