OT-2026-000028900
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained 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-2026-000028900) never changes.
Identity and time
| Publication number | OT-2026-000028900 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7df6-83db-693580a346c5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028900 |
| Status | PUBLIC |
Content hashes
| Canonical text | 64153ef7ad85920df8160c72b5c8c4cd63604fa7923d3e7fdc61b4e360174ae7 |
|---|---|
| Markdown | 2f0d3f4525f3d5f2f2d58bd0c503914e66993965ec1af3e0edcb375ba1c7e853 |
| Publication page | f843af96dee3dc104c205ba102a4d2aec6a1bd0e5c66045c9db3d3b048ee947d |
| Manifest | bae18829dca645966cf784d734a8d658039af7a5e13fdcbc016314fae507c413 |
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 | 1s4kGITTP4H+pjF3nR3m+CpIMx5hNAbWoJck4FRTJeC2g87ypRet7GqUa59PEONbDnXXWvQ5XGSfPApKmaUzCg== |
| 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
| 2026-09-17T08:20:17.030343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028900observed f843af96dee3dc104c205ba102a4d2ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:17.011174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028900/manifest.jsonobserved bae18829dca645966cf784d734a8d658...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:16.994123Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028900/publication.mdobserved 2f0d3f4525f3d5f2f2d58bd0c503914e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:16.974441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028900/publication.txtobserved 64153ef7ad85920df8160c72b5c8c4cd...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. |
|---|