OT-2026-000090458
Publication integrity record
Four cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000090458) never changes.
Identity and time
| Publication number | OT-2026-000090458 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-75a6-9c46-2df9cb01b4b0 · 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-2026-000090458 |
| Status | PUBLIC |
Content hashes
| Canonical text | d16b86c090bf808d923f9139af17c2dfd2dab5e0f89bf998a1187b90d47600e3 |
|---|---|
| Markdown | bf20c43b1afb34b4f0a400a7d2190c0dcf8f040ee9645a6f7d7041f469d19538 |
| Publication page | 3543d1cb497d93940630a0cf2a6ca377fea69baf82d3b07f0a4f5325ce4e4573 |
| Manifest | e2dcf9f9b9c783e81cf9eb2e43314ebe58d1dde78c11b9974277f91e4e65065a |
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 | OC5B4dbgmCaDKjXQjnByt1ktwNlsGf2zYmPAStWa33FC7z7O4EOBZV9ThjLHrMUSKw4Eo8wvxU/UdR+y4a4KAA== |
| 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
| 2026-09-17T09:44:34.998724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090458observed 3543d1cb497d93940630a0cf2a6ca377...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:34.981771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090458/manifest.jsonobserved e2dcf9f9b9c783e81cf9eb2e43314ebe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:34.963595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090458/publication.mdobserved bf20c43b1afb34b4f0a400a7d2190c0d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:34.946389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090458/publication.txtobserved d16b86c090bf808d923f9139af17c2df...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. |
|---|