OT-2026-000028857
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000028857) never changes.
Identity and time
| Publication number | OT-2026-000028857 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-788e-aaf1-04cd7987b6f0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028857 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8153e819e261a026bb84a382f0b9148f31fec78b62419fe8165ab43716932a9c |
|---|---|
| Markdown | ab5154af511bec5b907997537801c41bc814df37b95bc3f96560178f54974702 |
| Publication page | 56196f6d3d399a578d478462b09a2f2eec2cb68594e40a24af08f4cac2e1d91c |
| Manifest | dd191338801e36f9afba86361abaf642d9c0c83454d8d7bde67b03fc0f95b061 |
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 | YbWVPeqk2QQTsckdrV2cjhKp2sEn9wsAizu8baE3pkAGuQlcspt+z0TtLIdxIVSBUaoMp+lZCrbNYMTubvoFAw== |
| 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
| 2026-09-17T08:20:10.284472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028857observed 56196f6d3d399a578d478462b09a2f2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:10.265605Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028857/manifest.jsonobserved dd191338801e36f9afba86361abaf642...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:10.250516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028857/publication.mdobserved ab5154af511bec5b907997537801c41b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:10.232415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028857/publication.txtobserved 8153e819e261a026bb84a382f0b9148f...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. |
|---|