OT-2026-000042022
Publication integrity record
Foam pad vacuum gripper, two stage ejector, 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-2026-000042022) never changes.
Identity and time
| Publication number | OT-2026-000042022 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d70-7836-98bc-1e61ffbc7430 · 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-2026-000042022 |
| Status | PUBLIC |
Content hashes
| Canonical text | ea11f94869e9fcad758209a91efc1337b67090f066400772cc501fdcb7416fcd |
|---|---|
| Markdown | a3dfc3c8046acda7d01456185b3ca5ae37ffa336a9eeb2b409e1d52222f20f52 |
| Publication page | c19dc53abdf748da17aaf32750947071d19ae99a55eb8c3c7e65a4bdf87d40f5 |
| Manifest | b519dd1b707752fdaeb3457aca23418be70350075c1f43e68a44abdeca19e46c |
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 | 7QTRQXmKuqAME+gLIMbUiH6C3owInPHzHM53S9SUbQXCteq9TTf6sskFU4t02ark+HWIsOYBy64J83raQXBHCQ== |
| 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
| 2026-09-17T11:15:31.647385Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042022observed c19dc53abdf748da17aaf32750947071...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:31.625680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042022/manifest.jsonobserved b519dd1b707752fdaeb3457aca23418b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:31.604997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042022/publication.mdobserved a3dfc3c8046acda7d01456185b3ca5ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:31.551494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042022/publication.txtobserved ea11f94869e9fcad758209a91efc1337...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. |
|---|