OT-2026-000090816
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000090816) never changes.
Identity and time
| Publication number | OT-2026-000090816 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-7fd6-a80f-10fb5e893a27 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090816 |
| Status | PUBLIC |
Content hashes
| Canonical text | fbb5ac5cc6c1915058e554fc797e085695008067a59d5c14e2cc0c4cbfeca0b5 |
|---|---|
| Markdown | 2750ee08117d61539b2458e279f5c4bcd5567898149208b273fa8cdf2f91c435 |
| Publication page | c5d7ac113f95448d732589f88abfe152c70a6c6b7a6711e161b76bd619fbd292 |
| Manifest | 757d0ae7d35351d8f06259b7d9089e852958de5041996314eff8697ebab421ed |
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 | FiBAGXSQmhaN5xnwR8URURDh/IDqp2LYivjloSO+X6MKexcZzmJjyqPQAxiEaCncuotMcf8IHgwBQAkmIR30CQ== |
| 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
| 2026-09-17T09:44:00.466383Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090816observed c5d7ac113f95448d732589f88abfe152...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:00.447863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090816/manifest.jsonobserved 757d0ae7d35351d8f06259b7d9089e85...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:00.429552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090816/publication.mdobserved 2750ee08117d61539b2458e279f5c4bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:00.412281Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090816/publication.txtobserved fbb5ac5cc6c1915058e554fc797e0856...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. |
|---|