OT-2026-000042206
Publication integrity record
Foam pad vacuum gripper, common isolation valve, pump fed, sustained blow-off after 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-2026-000042206) never changes.
Identity and time
| Publication number | OT-2026-000042206 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d72-7dc5-afa7-f91bee163912 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042206 |
| Status | PUBLIC |
Content hashes
| Canonical text | dda124b5c4e5a533c22448e144243f28d47ee8caebd5c36f5e89876ba6485b9b |
|---|---|
| Markdown | 2950e8db5cdc706a29e87017495f6bf347a329cfb3ef0ea2abebcb41583d1e95 |
| Publication page | 08aa1612956342cd8baf9ab9e0939c0dcb85f257da982aad22bf15cdb61bc3f3 |
| Manifest | a5102bc1510a32f2f41f59486b6eb840dcfb79db30d8965be8969d4cf4dea51d |
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 | bOBx3oJCaE8HSi7aqkXnFj6dhcyNjCfJF8ofmVXCid2Rh50Zn3wEabxIy9/dgP3MWw83/sFzrHBC47fZJOSlAg== |
| 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
| 2026-09-17T11:15:52.468646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042206observed 08aa1612956342cd8baf9ab9e0939c0d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:52.450266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042206/manifest.jsonobserved a5102bc1510a32f2f41f59486b6eb840...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:52.429800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042206/publication.mdobserved 2950e8db5cdc706a29e87017495f6bf3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:52.409893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042206/publication.txtobserved dda124b5c4e5a533c22448e144243f28...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. |
|---|