OT-2026-000090857
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, pump 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-2026-000090857) never changes.
Identity and time
| Publication number | OT-2026-000090857 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-7c59-a8f5-53d086944d65 · 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-2026-000090857 |
| Status | PUBLIC |
Content hashes
| Canonical text | 61aed56b45fca951fd741fad3e3989685a678a2bb81a2b58cbf13282d8d9f396 |
|---|---|
| Markdown | 272c7644bc253dd40e0d455bfb7294e03f878ad333f56b23d2f3848a73cbb405 |
| Publication page | 839c7d03dcf54a3b35375fce0fcfae7b01e6301cc226bd370ea6c699b8090fc3 |
| Manifest | 44db87fd748ba57ba351333ff1ce406d74bea5ce8609d9b993642ef4da351f11 |
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 | Ry4+8VYimVOm/Kj5AblyH5EzmVdRPhaoahLADMmf4Gq64yG/vn9ubE5no086AozA/Dme3+AE8cqPwrDNbqbwBg== |
| 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
| 2026-09-17T09:44:02.898112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090857observed 839c7d03dcf54a3b35375fce0fcfae7b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:02.879500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090857/manifest.jsonobserved 44db87fd748ba57ba351333ff1ce406d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:02.862014Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090857/publication.mdobserved 272c7644bc253dd40e0d455bfb7294e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:02.842128Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090857/publication.txtobserved 61aed56b45fca951fd741fad3e398968...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. |
|---|