OT-2026-000056119
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line 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-2026-000056119) never changes.
Identity and time
| Publication number | OT-2026-000056119 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4b-7ad4-a5dd-f228b8b5973e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056119 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4ef8f99605633c1c4bbdc04dbec767b18e4ec36cff45687a2e1584cc1997ca3a |
|---|---|
| Markdown | 27c71150e6eb78bd63a9346e034ef4d25cf6488c5ba4c6c3c7af1d40a9922837 |
| Publication page | 032bc4410dd9dcbddcc6d1ccc9254e1360d53395854ad3abe6456bf195a70b6a |
| Manifest | 7de8e1357bcec8c1f800b5742e157f315ac3155ef737a28b68d9cf5fda0ba74e |
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 | 6eOxKbLnNOl0U7cJ26tGEh7w6c3WxcJKJWpT3Ojli+xwIp120nx7bheEWP+aW1uADShc694GLWZwyggoyljjCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:39.824165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056119observed 032bc4410dd9dcbddcc6d1ccc9254e13...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:39.804102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056119/manifest.jsonobserved 7de8e1357bcec8c1f800b5742e157f31...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:39.785273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056119/publication.mdobserved 27c71150e6eb78bd63a9346e034ef4d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:39.765763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056119/publication.txtobserved 4ef8f99605633c1c4bbdc04dbec767b1...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. |
|---|