OT-2026-000028122
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000028122) never changes.
Identity and time
| Publication number | OT-2026-000028122 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7865-891b-318f29b6a5e5 · 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-2026-000028122 |
| Status | PUBLIC |
Content hashes
| Canonical text | a6f9c508fb97058b2b921b283e2378d4892f30990ea432fcc93fa46d07e0e5c3 |
|---|---|
| Markdown | e1c2d6bf516e722ab3a1e4ea7ef910b316d1afbc4f79031b6d183990fca575a4 |
| Publication page | fbbe26f0185f23051e0e8517af95acfd42255f3e63f27863234c79b051545d7e |
| Manifest | 388823d4292bfbad8cfa81611f66dc8fde2476a1ab6e9a46f3dfc371608e679b |
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 | 30LbeDwBydLXYbGRvsAil85Hj/aEmfgqsFhjGGBf8eJ9qy+dGEvfj0D0Gkf6RzeBSZYCP6pKfqdZ4re+ZzZVBA== |
| 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
| 2026-09-17T08:42:13.051520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028122observed fbbe26f0185f23051e0e8517af95acfd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:42:12.744685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028122/manifest.jsonobserved 388823d4292bfbad8cfa81611f66dc8f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:42:12.485440Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028122/publication.mdobserved e1c2d6bf516e722ab3a1e4ea7ef910b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:42:11.967783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028122/publication.txtobserved a6f9c508fb97058b2b921b283e2378d4...fetched by grabo-systems from 34.44.131.203, 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. |
|---|