OT-2026-000075709
Publication integrity record
Two bellows cup vacuum gripper, two zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000075709) never changes.
Identity and time
| Publication number | OT-2026-000075709 · never reused |
|---|---|
| Internal UUID | 01a0ae94-29fd-75b6-9c20-1f392324254e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:40.814795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075709 |
| Status | PUBLIC |
Content hashes
| Canonical text | e4c2da470e0d8af2e8208c182f98d2de9e0c2d770f066be3a80f081f9d49956e |
|---|---|
| Markdown | c4be3b7df8e3ce766881fffa7d7e2195be1c9d7bece58fb66052776c17610c84 |
| Publication page | 4dd5220378d21c27e7ed7704d9a41cf0e05a012c42d17f6adcaf364ab6ccb467 |
| Manifest | 57b33a8aba51b4b8f6b2edf3a6b060c48c42657bcbcb27daf8a56e35334e86cf |
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 | fdAX9ZfIsMvbfJgqoPFPqgOIpX2x+j4mam3AgigiurHriT/cWzAsWXPeGiiWTx61FC2B2d26lubqcXgTaozsBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:13:56.201372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075709observed 4dd5220378d21c27e7ed7704d9a41cf0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:13:56.058110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075709/manifest.jsonobserved 57b33a8aba51b4b8f6b2edf3a6b060c4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:13:56.039796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075709/publication.mdobserved c4be3b7df8e3ce766881fffa7d7e2195...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:13:56.022574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075709/publication.txtobserved e4c2da470e0d8af2e8208c182f98d2de...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. |
|---|