OT-2026-000090448
Publication integrity record
Four bellows cup vacuum gripper, four zone face, 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-2026-000090448) never changes.
Identity and time
| Publication number | OT-2026-000090448 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-733c-adf8-5b1dbe08721d · 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-2026-000090448 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3ed7658a22b98acac7b5772ba2586e3ef3d940ad0f53a445683dbf9db2cb1cbc |
|---|---|
| Markdown | 7692abd0caaca4a9f0f7ed342c37e922aca1833769ae8045adec273930dc7eb9 |
| Publication page | fb0f0a847493f448f4b4f4d675c0782a3efd55f05059eff87268817db922e3e0 |
| Manifest | db7c8414d7e13c7ce9f1b2fba1bef88f6a740b332f61f4c5e88928784082f138 |
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 | o1bhiS14GAqJJXpJKamzbOZm1hjtsJ3w4sTqIAdBXsL1Tja8Dzd99ClHxo9PrQT2IAcFjEloghScGDl/Ez+aAA== |
| 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
| 2026-09-17T09:44:34.216268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090448observed fb0f0a847493f448f4b4f4d675c0782a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:34.200247Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090448/manifest.jsonobserved db7c8414d7e13c7ce9f1b2fba1bef88f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:34.182592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090448/publication.mdobserved 7692abd0caaca4a9f0f7ed342c37e922...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:34.166023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090448/publication.txtobserved 3ed7658a22b98acac7b5772ba2586e3e...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. |
|---|