OT-2026-000030481
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000030481) never changes.
Identity and time
| Publication number | OT-2026-000030481 · never reused |
|---|---|
| Internal UUID | 01a0ae73-e504-7fcc-8337-d298e94529eb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:26.007257Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030481 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2f3e0704151ee4ebce8b3e48ae4ec21d02c2621a7603544b41cf4a837988b148 |
|---|---|
| Markdown | ffd60e092785897ec8113d5985c4ef794f7a55f7bc854cca1acfeb745b9d9d7c |
| Publication page | 5b14e345b0fb5f0cfd143d7269aea7a51084b588c7949aa3fe84dd6a4bbc901b |
| Manifest | 8c3c601430dfc6fbdcd2ba528991e42fcbc3b9a31fb6221872a33d8c5afccd78 |
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 | eAfPvLDN+r1kboMe+P4sTSbgUpRqjxUBWewNl+EdOpK6gensBdoJkw+9sYXMzM+gCkDGyK13dwgU9HbUvVyQAw== |
| 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
| 2026-09-17T11:38:19.810043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030481observed 5b14e345b0fb5f0cfd143d7269aea7a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:19.792933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030481/manifest.jsonobserved 8c3c601430dfc6fbdcd2ba528991e42f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:19.774724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030481/publication.mdobserved ffd60e092785897ec8113d5985c4ef79...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:19.755726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030481/publication.txtobserved 2f3e0704151ee4ebce8b3e48ae4ec21d...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. |
|---|