OT-2026-000022875
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000022875) never changes.
Identity and time
| Publication number | OT-2026-000022875 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46eb-7b83-9b7f-54b79fe66493 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022875 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0f4007ad055e393eb1fc747637e542aa5e1a458e730dc0d2b963619e66301f03 |
|---|---|
| Markdown | 7641b0995302b2bc7f34783d0936e5bb47d3c5ccd3b232ac7041582209437ef1 |
| Publication page | 4d43ce044ce572dc422532059bfa76a541a69be8047d40bee60e4dee8e59672a |
| Manifest | 6391f8f11c0ea86d87bb396db4f1965ab7a6fe5948737aaf3940791389096b7e |
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 | GuD5kghnbz7Xdj4HBRE+JM+l/U1KmC0SZ/fwbcwmihqwDm+W/kcHXh4aPlRrGCEM6x6lbRqsCagm/twV9LX9BQ== |
| 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
| 2026-09-17T11:52:26.262943Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022875observed 4d43ce044ce572dc422532059bfa76a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:52:26.243489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022875/manifest.jsonobserved 6391f8f11c0ea86d87bb396db4f1965a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:26.225389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022875/publication.mdobserved 7641b0995302b2bc7f34783d0936e5bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:26.206505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022875/publication.txtobserved 0f4007ad055e393eb1fc747637e542aa...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. |
|---|