OT-2026-000028759
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed blow-off before set-down
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-2026-000028759) never changes.
Identity and time
| Publication number | OT-2026-000028759 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7ca8-8e22-e8ba234966a7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028759 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7a16429e13afc128fe1403b76a7877c7b75bb3f2296f121d1bbfd50543c7139c |
|---|---|
| Markdown | 392b861afbee43818df99eebcf461e2023f3c997c226c5dc6273d034f3b5e55b |
| Publication page | dda5aefd1aebc370ecd1efd380f1b97bbbd4211aa81f11c95545be5a3a951a25 |
| Manifest | 0f22284852b5981a51e3af8b1da094959ea5a0f95f1971f1394c65c0b418f35f |
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 | JwH6LQyP8V3f4f3ZsB3qdzSYl4EyEcaOQklV4qiwfh5FYXhcKIZVUx9AIJge/IU9gwtjVwhEy/4vwfA4z3PXAw== |
| 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
| 2026-09-17T11:39:58.729830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028759observed dda5aefd1aebc370ecd1efd380f1b97b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:58.711508Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028759/manifest.jsonobserved 0f22284852b5981a51e3af8b1da09495...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:58.692057Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028759/publication.mdobserved 392b861afbee43818df99eebcf461e20...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:58.674108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028759/publication.txtobserved 7a16429e13afc128fe1403b76a7877c7...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. |
|---|