OT-2026-000056180
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, sustained blow-off after set-down
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-2026-000056180) never changes.
Identity and time
| Publication number | OT-2026-000056180 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4c-72b6-8f85-fe8fcfeb1934 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056180 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3f75494dad11fc14ba06158b535bc364a02119ab6501f0d99cc52b47f6cdabc6 |
|---|---|
| Markdown | 634cb8285dbeee97145ba8a8f37b57deb4ccd3a32d2677b1bcc09b595a560bda |
| Publication page | 2493a217724bedd54e28ea942aa78369183f4645d2d90b26525bf3df28db96f0 |
| Manifest | 6262e233a06df17d9a7e1f1a4a95ace42bf9a923333f18cb1da167307705e859 |
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 | mQkv0bQ56LKGWXghG3eystUrdRgIbfjtz7vgpDX8niRw49+8OW4pHvYJ5jV10pIgMwcG8Use79FtWZ/Uy7xcCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:44.530310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056180observed 2493a217724bedd54e28ea942aa78369...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:44.512245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056180/manifest.jsonobserved 6262e233a06df17d9a7e1f1a4a95ace4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:44.495349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056180/publication.mdobserved 634cb8285dbeee97145ba8a8f37b57de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:44.477165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056180/publication.txtobserved 3f75494dad11fc14ba06158b535bc364...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. |
|---|