OT-2026-000090404
Publication integrity record
Three bellows cup vacuum gripper, three 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-2026-000090404) never changes.
Identity and time
| Publication number | OT-2026-000090404 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2d-7b62-b5e7-65a44c540e61 · 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-2026-000090404 |
| Status | PUBLIC |
Content hashes
| Canonical text | b64d2814ddf867f2415b497c97cfebe83489300a7c440c1ae865dfb9c97977de |
|---|---|
| Markdown | 037d93d785a03ee84fcb5ab5821229659ccbe3a4d2d3e32eb686ca0c0463af05 |
| Publication page | 3ab308c1fa24a0cd79474c021aa153011d81ee2276d70287eb2befae5c740cad |
| Manifest | a21b33fc4e680afa625510d6a63db9fba010fd3731737bbe90ec1f37e70cc826 |
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 | VurECAsUZEA6n+bFB+P4pf3LxaCDp/ySVbAxFujgmT9DOXztFP3mtRKyKMNnBz1fDUd8e1tDsO8wjaGL9k6/AQ== |
| 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
| 2026-09-17T09:44:31.024833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090404observed 3ab308c1fa24a0cd79474c021aa15301...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:31.008898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090404/manifest.jsonobserved a21b33fc4e680afa625510d6a63db9fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:30.991746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090404/publication.mdobserved 037d93d785a03ee84fcb5ab582122965...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:30.973694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090404/publication.txtobserved b64d2814ddf867f2415b497c97cfebe8...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. |
|---|