OT-2026-000028783
Publication integrity record
Foam pad 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-2026-000028783) never changes.
Identity and time
| Publication number | OT-2026-000028783 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7744-bf59-775406b864f0 · 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-2026-000028783 |
| Status | PUBLIC |
Content hashes
| Canonical text | f04de4cc76d742b698eaa1f9836ae2db7acd705a60212467e720fb7df443539c |
|---|---|
| Markdown | a801852191625b9923bd5d14613a2473ee260c58a63fad8d962c8d5461237448 |
| Publication page | 4c9ab9b92340c260878949ca404deca60c40fcbd142d4e9197f61d9c4a535317 |
| Manifest | 48b0666bbf00f44f258e4d75169dc4f3f2cd90f35f054cd8f6584320a2041d0f |
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 | PWh38aFkS4ZRdBJuSYAc2QlLLMdKf8iLhdsSM2vYPSOTPfU54txTLsxZCnoCLtBpuzzyw7udJruVGL1MTzF9Ag== |
| 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
| 2026-09-17T11:40:00.722898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028783observed 4c9ab9b92340c260878949ca404deca6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:00.692130Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028783/manifest.jsonobserved 48b0666bbf00f44f258e4d75169dc4f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:00.672772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028783/publication.mdobserved a801852191625b9923bd5d14613a2473...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:00.652198Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028783/publication.txtobserved f04de4cc76d742b698eaa1f9836ae2db...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. |
|---|