OT-2026-000027791
Publication integrity record
Four bellows cup vacuum gripper, four zone face, 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-2026-000027791) never changes.
Identity and time
| Publication number | OT-2026-000027791 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a4a4-730b-9728-11ef41175775 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027791 |
| Status | PUBLIC |
Content hashes
| Canonical text | 491ae02bc3aa1407d1b843aa43ec1198b8bfe30bffcac6d2352b5f98101b6e59 |
|---|---|
| Markdown | 7df8460a2a7313bd4f218703a3fd79ed15b792ef55843ea2bfe8b2b68738a832 |
| Publication page | bcc731f4a9e96e593eda5445bf1f21da3e3cb6a2e4bdbb5f9cd9c5425f48d699 |
| Manifest | 55964ae2b56fa6878e16479492926a1cbdc5a4a407111274d5acf8456509f1db |
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 | Wvn+Z5mh+cDtqWLyhbhDyL/nP4+FsQCQlZFfKFQUHLlgXxssaXppAicKWuIyzRNlvS8obrocSGttuHgiyJ2FAQ== |
| 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
| 2026-09-17T11:41:47.203602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027791observed bcc731f4a9e96e593eda5445bf1f21da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:47.186283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027791/manifest.jsonobserved 55964ae2b56fa6878e16479492926a1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:47.168090Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027791/publication.mdobserved 7df8460a2a7313bd4f218703a3fd79ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:47.147611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027791/publication.txtobserved 491ae02bc3aa1407d1b843aa43ec1198...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. |
|---|