OT-2026-000028439
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000028439) never changes.
Identity and time
| Publication number | OT-2026-000028439 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-77bb-83de-a991f337e97a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028439 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8f55c4f5180d534a210b4b6cd20b8f91120b33552d08150cf5c7fb0c1e1457f9 |
|---|---|
| Markdown | 42698379ded9159c2665ba15a5445a8dde619a9ba35083597a09bfce98663657 |
| Publication page | 69420bee425c29bd829831864373061742952f41f6530bd19569fd55e9074269 |
| Manifest | 29cadd4bd5a31a7d54d1a2b9cabb5c90bf88363ca41e6b12d2e7775c5455aea7 |
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 | 7dMrcOHtqMkB+vJsOyyTM/dt6/UqUZZ9lFplX5bu8/Bhz+kB5v2ZML0rRvI+skvFxafjK5Yb2S4+1EVGzeZzBQ== |
| 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
| 2026-09-17T11:40:34.476067Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028439observed 69420bee425c29bd8298318643730617...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:34.458679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028439/manifest.jsonobserved 29cadd4bd5a31a7d54d1a2b9cabb5c90...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:34.442111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028439/publication.mdobserved 42698379ded9159c2665ba15a5445a8d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:34.424275Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028439/publication.txtobserved 8f55c4f5180d534a210b4b6cd20b8f91...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. |
|---|