OT-2026-000090878
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000090878) never changes.
Identity and time
| Publication number | OT-2026-000090878 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-767a-b82d-6274dc4892f2 · 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-2026-000090878 |
| Status | PUBLIC |
Content hashes
| Canonical text | 17e30499ff7e9dbacb827cfca8f0174e44dd43592f0048d194219c6753b166ab |
|---|---|
| Markdown | 8783dc7d573a06adb3eb870d75df2ca8491b048f10cfb74dcac43c9d13dec576 |
| Publication page | ba35ad6512ccd49080522b4ab52460e32ea192187fd87bca2666c6b3bcee3c44 |
| Manifest | cfba034d14aa68c91a6c9ab62d47f98ee69979e18be6b766c25c447b309736df |
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 | C5gmKgAa8e73qxWGwIf1j+QbV4KWCPkGv9EU9C8YgV2Kfh4M5OVzQSQKyuYqrNzOHUHTrfGjdUo2DByTVWu6Cw== |
| 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
| 2026-09-17T09:44:04.527493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090878observed ba35ad6512ccd49080522b4ab52460e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:04.508869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090878/manifest.jsonobserved cfba034d14aa68c91a6c9ab62d47f98e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:04.487872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090878/publication.mdobserved 8783dc7d573a06adb3eb870d75df2ca8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:04.469956Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090878/publication.txtobserved 17e30499ff7e9dbacb827cfca8f0174e...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. |
|---|