OT-2026-000028601
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000028601) never changes.
Identity and time
| Publication number | OT-2026-000028601 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7122-bf0c-cc3f4a8e61a7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028601 |
| Status | PUBLIC |
Content hashes
| Canonical text | 419bc87495ac8c6c4b90a746a9bf0e95b233309164ea85ba55ba3ab38eb2f861 |
|---|---|
| Markdown | 77d7e0a424b177a18d4c1122daebb4ea3417005181d72a42e57597a23b436ab3 |
| Publication page | 2a5496ca88669f3a006c9a2c86ea47d11b4fbd4461d87396344729fd78405b89 |
| Manifest | 45bd4db35ccb11b2329196936a2bf4d231000ca9d581888b2eb361283d77ec1b |
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 | +JjfFBwbLRVsXfC91QKibTPd34s5RjNjCACN2LRKMZyzKSqqEbuCsR9eF1esxq2J3CRqVyTOH5vh3oW9kqewDA== |
| 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
| 2026-09-17T11:41:27.534036Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028601observed 2a5496ca88669f3a006c9a2c86ea47d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:27.511542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028601/manifest.jsonobserved 45bd4db35ccb11b2329196936a2bf4d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:27.492362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028601/publication.mdobserved 77d7e0a424b177a18d4c1122daebb4ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:27.472348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028601/publication.txtobserved 419bc87495ac8c6c4b90a746a9bf0e95...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. |
|---|