OT-2026-000090509
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000090509) never changes.
Identity and time
| Publication number | OT-2026-000090509 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-7bd0-b9b9-6cdecf0f8d77 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090509 |
| Status | PUBLIC |
Content hashes
| Canonical text | 48e848a29df8599a8cc10404c06e90dd0011d8e10814961b41475fdde2e9f2c8 |
|---|---|
| Markdown | bb4480f1d557f1fbc3ffe140093cba255ee58c22867c2477ec7278b177ad8df6 |
| Publication page | 82e7e42b54ac6269be4068f93756691f895851ebf37cceffd1d3320e01b508d2 |
| Manifest | c2ae8657deadcd0944b100c310f0aa88a307778df9cf050f10b9326d62f4debd |
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 | PqckLMDfh7vS6uwhFLmfpdaF21jH4oelh9XcyXqLqVepCkiaR62Q+nSCZ1RA07QaFKn9CNHjzn1wGNZ/4KXiBQ== |
| 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
| 2026-09-17T09:44:39.360110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090509observed 82e7e42b54ac6269be4068f93756691f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:39.343874Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090509/manifest.jsonobserved c2ae8657deadcd0944b100c310f0aa88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:39.326436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090509/publication.mdobserved bb4480f1d557f1fbc3ffe140093cba25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:39.308443Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090509/publication.txtobserved 48e848a29df8599a8cc10404c06e90dd...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. |
|---|