OT-2026-000090942
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000090942) never changes.
Identity and time
| Publication number | OT-2026-000090942 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-7e57-a9d3-a51769e7fc1f · 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-2026-000090942 |
| Status | PUBLIC |
Content hashes
| Canonical text | abf3fc07f8fb3757708bba32785437d044aad207cedbdcb244ad118ba00361f7 |
|---|---|
| Markdown | 33153bdd988977bd459d8c74df6f641080425d0ea722d11a65cc66e7c5157b47 |
| Publication page | aa666c758c7fc884de99b9ec95f899421ecb4a82fbc5de6179384ee3f189a6e5 |
| Manifest | 5487ea6fc9b3710e4e8fb2c67a1b74b0e25d5611037947cf35f76ee506340672 |
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 | J8vMggXMxKRj7rqKkT090zyrovpk52PD0vgLTBG61P6OXFcJIQLog13TaBJqTx7qRGlnzq3BLLII/QXv3P3WAA== |
| 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
| 2026-09-17T09:43:53.124817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090942observed aa666c758c7fc884de99b9ec95f89942...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:43:53.101559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090942/manifest.jsonobserved 5487ea6fc9b3710e4e8fb2c67a1b74b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:53.084132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090942/publication.mdobserved 33153bdd988977bd459d8c74df6f6410...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:53.045516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090942/publication.txtobserved abf3fc07f8fb3757708bba32785437d0...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. |
|---|