OT-2026-000028440
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000028440) never changes.
Identity and time
| Publication number | OT-2026-000028440 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7c56-9608-26262d1f58ad · 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-2026-000028440 |
| Status | PUBLIC |
Content hashes
| Canonical text | 89174c3d1b7310f80368bbf285713593d52eda0ca6aa9f28e017b9286af3fc19 |
|---|---|
| Markdown | f36b31fcfb0fde2e5845a6ae4ab9c99220cf8ab58b2412eb728363914c49f748 |
| Publication page | 9e4bec4a42e0c57e1fba2db4e93549dcd37460569137dff0285f22fd455f48fd |
| Manifest | bf13fe44e3a39d52f9b23949f32cd7f8583df2895c77ddb85d5b79cc3e11c2c7 |
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 | ZJ7i3NWpUeBwXcbASeaLif/ZmBcvoHssc53YZs6i2TNdtTCizt8QGRstDuBXcZFVoRV+h5vzraDA/1iSWeHwCg== |
| 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
| 2026-09-17T11:40:34.549866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028440observed 9e4bec4a42e0c57e1fba2db4e93549dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:34.532770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028440/manifest.jsonobserved bf13fe44e3a39d52f9b23949f32cd7f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:34.516300Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028440/publication.mdobserved f36b31fcfb0fde2e5845a6ae4ab9c992...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:34.499820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028440/publication.txtobserved 89174c3d1b7310f80368bbf285713593...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. |
|---|