OT-2026-000021835
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed 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-2026-000021835) never changes.
Identity and time
| Publication number | OT-2026-000021835 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7ce4-972f-69098a3b15aa · 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-2026-000021835 |
| Status | PUBLIC |
Content hashes
| Canonical text | f83ec691f84f750546ca1812411216a73a15efc8b22829e877f48adb5385cbdb |
|---|---|
| Markdown | a6f6f8d7c7a43ad66c58073444d7501e2b9b01357294ea9c7a67f7b460d36282 |
| Publication page | fbbef30abf48b4ceb9d3f90438e7015d85b9d041fd11b8d27e5afe46c938958b |
| Manifest | 7b91e074407695639954c9b9e3c02cd4f3c83208215c16b446b1e7a737e639af |
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 | vxLwvdPMDfVAMT0eLQXXm+AgXlyLWqf0wOSbAUlgjpXVPM+aYRZZbLIjm1UqSX16aCTSnfkkIzP8Qkyq5O97Dg== |
| 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
| 2026-09-17T11:54:23.538821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021835observed fbbef30abf48b4ceb9d3f90438e7015d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:23.522953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021835/manifest.jsonobserved 7b91e074407695639954c9b9e3c02cd4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:23.505924Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021835/publication.mdobserved a6f6f8d7c7a43ad66c58073444d7501e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:23.489662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021835/publication.txtobserved f83ec691f84f750546ca1812411216a7...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. |
|---|