OT-2026-000028012
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000028012) never changes.
Identity and time
| Publication number | OT-2026-000028012 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-74d1-a6a7-c3ffafbdfbaf · 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-2026-000028012 |
| Status | PUBLIC |
Content hashes
| Canonical text | fffa913706c88d6cbfccc4a0a7523380e58ea813b9710c23a278571bb8f86392 |
|---|---|
| Markdown | d0708469acb5e24ff8e3a2e5baf3ceeeb49922fade222f5a0541d2bde7432433 |
| Publication page | beaaa60a2325ad4e45a2b1fe8ea949ff5f3c6e92daad1521506ffe5543636045 |
| Manifest | 256a7d6ec2a921df2014c1372d9c8be91dc1cbf68d566f02e6b91590d2eeddff |
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 | MKcYHu4FHGWA4C1zhNJM10ZWeyTjXhyLrf2Lb97yFv6ToACP4oYRDgLa20kyHBDWDba8MJ+vTbOXcJ/Z5TvQDg== |
| 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
| 2026-09-17T11:42:09.455826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028012observed beaaa60a2325ad4e45a2b1fe8ea949ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:09.437627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028012/manifest.jsonobserved 256a7d6ec2a921df2014c1372d9c8be9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:09.417483Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028012/publication.mdobserved d0708469acb5e24ff8e3a2e5baf3ceee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:09.400891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028012/publication.txtobserved fffa913706c88d6cbfccc4a0a7523380...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. |
|---|