OT-2026-000026644
Publication integrity record
Single bellows cup vacuum gripper, pump fed, sustained 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-2026-000026644) never changes.
Identity and time
| Publication number | OT-2026-000026644 · never reused |
|---|---|
| Internal UUID | 01a0ae71-f4aa-79c2-b1fd-b06a7785b929 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:18.960773Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026644 |
| Status | PUBLIC |
Content hashes
| Canonical text | c440aa761f403f3d9d0723e351a0d0df2551bc77eda500e2cb4e6410483dfe26 |
|---|---|
| Markdown | ddf44cc77932d9e41653eaadf1e30e8c4e6449ad1b790d4ee20f3ecee5497ca2 |
| Publication page | 270d24aed5893ce151e89fa8edb5e8be08a308c9843cf5d3b365dd5daa5a9aa6 |
| Manifest | d9148443515d9ab744657dba29750b22a095b1a4b2db4c4b1422c5e2492cd826 |
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 | hFfPqIACuxpzaP4QGgI3Wjk2nfoDK9SwiX3T01PfQx6yR2/32aLsvputs0oQhok+f0iiRrdOTzjIqHG6ZhmHBA== |
| 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
| 2026-09-17T11:45:43.418106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026644observed 270d24aed5893ce151e89fa8edb5e8be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:45:43.399840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026644/manifest.jsonobserved d9148443515d9ab744657dba29750b22...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:45:43.382169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026644/publication.mdobserved ddf44cc77932d9e41653eaadf1e30e8c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:45:43.366001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026644/publication.txtobserved c440aa761f403f3d9d0723e351a0d0df...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. |
|---|