OT-2026-000021838
Publication integrity record
Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000021838) never changes.
Identity and time
| Publication number | OT-2026-000021838 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7c12-8cc9-04665f9a0897 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021838 |
| Status | PUBLIC |
Content hashes
| Canonical text | ed2607400e13b1248de364ed5788d9c70913131e6c224689f703bbb62daa3bae |
|---|---|
| Markdown | f38ec572dd2151248eb0e16547e3e08da63774d58112c3d20248e4fb3ffcc647 |
| Publication page | eb3b949ec03e201cba4b354575df2cca01dde3c841f14c373fde4c3c69f9ed53 |
| Manifest | f7f193acfa56428db5b8da53e1c398430ad979c16fdb1c2077c00ef1b3f550f4 |
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 | PNoMqgRzYJGycHaYlMqJeowhfIKJjfcjt7DFUYo7jERKJaUmGIxGV2WiWdWj3tGL0VKGace5mTFYSC+tvY2GDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:54:23.785206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021838observed eb3b949ec03e201cba4b354575df2cca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:23.769488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021838/manifest.jsonobserved f7f193acfa56428db5b8da53e1c39843...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:23.751945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021838/publication.mdobserved f38ec572dd2151248eb0e16547e3e08d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:23.733842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021838/publication.txtobserved ed2607400e13b1248de364ed5788d9c7...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. |
|---|