OT-2026-000042769
Publication integrity record
Single cup vacuum gripper, two stage ejector, sustained 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-2026-000042769) never changes.
Identity and time
| Publication number | OT-2026-000042769 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d0-7678-852b-ae1e78d4e2de · 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-2026-000042769 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9a767568e3caa5793220dfb84748ae8467d63bf9e5d7b5a10b3e7bcb0d6d8f91 |
|---|---|
| Markdown | d78067191664b2f62c8b4c5863539e52a651cab9ee6e3119ff599d3edaab7910 |
| Publication page | 284c05a2262171f9af5cfdca296d3ebf78f45da431390d771696b00809ce214a |
| Manifest | c3599383b76c23bc4c1e71758b502641dfa1be66d752d37285e6f74cf4b88c1b |
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 | Bcy8Fu/bN7+PGPkVoh6ONvX2U641rL5WBUEFCDmfRLFnkBP6Ut0N6aX+u2a7PbcaeJD1SPWqCYct+vMj4f/6AA== |
| 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
| 2026-09-17T11:15:13.644609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042769observed 284c05a2262171f9af5cfdca296d3ebf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:13.625536Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042769/manifest.jsonobserved c3599383b76c23bc4c1e71758b502641...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:13.608278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042769/publication.mdobserved d78067191664b2f62c8b4c5863539e52...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:13.587440Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042769/publication.txtobserved 9a767568e3caa5793220dfb84748ae84...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. |
|---|