OT-2026-000028474
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000028474) never changes.
Identity and time
| Publication number | OT-2026-000028474 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7621-bf6e-964bbf8c8057 · 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-2026-000028474 |
| Status | PUBLIC |
Content hashes
| Canonical text | d75b6ac3d87d7fb35d1728cc7d4286a1b282951128ef01fd83dfbfbd8162c0c1 |
|---|---|
| Markdown | 567a1199d67db6a3d3d745771882224adda26c439c0b0b642cebf3fbff458ec8 |
| Publication page | 9c7b6787aa1f908f7c283fa51ee805d7f680ed87ef30f3da3017011d5bd94416 |
| Manifest | 27842083ef17c1eecce6efa760755fa750bac106d68edce0b98f79f163585da6 |
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 | F1oMWOtFSZq89O7PsMxEq9q1OugstxiLNRwpAbfnuQ38qPfkhU5wRDC7A4iRO7/mUqh79e+U4n4xLHnHwxFWDA== |
| 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
| 2026-09-17T11:40:37.222665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028474observed 9c7b6787aa1f908f7c283fa51ee805d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:37.206378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028474/manifest.jsonobserved 27842083ef17c1eecce6efa760755fa7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:37.188554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028474/publication.mdobserved 567a1199d67db6a3d3d745771882224a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:37.168002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028474/publication.txtobserved d75b6ac3d87d7fb35d1728cc7d4286a1...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. |
|---|