OpenTechnical

OT-2026-000043889

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000043889) never changes.

Identity and time

Publication numberOT-2026-000043889 · never reused
Internal UUID01a0ae7b-d677-703f-9805-007de2d2cc2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043889
StatusPUBLIC

Content hashes

Canonical text14cdcc43fc28b24734f46d256b4eeb0ef011575b410af2951f352933c8ce5c4d
Markdownc862bf1e816a01c1f3bb08653399417d60e5ae6fcfd8c9d9235d2078a2904de8
PDF
Publication pageebf51c72f5a2802bd4b4398b2079024180625a09b4c5966469a761b0a601bca0
Manifest352d47298a69ccd46a30b94d3ae88776940c9b2530cab994c6b0732bbcb003cd

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureSE8dqg6iVofaB/7hOsT+iihyCHpBxa00ILOwLi33ZR+fvE1MSAiMtVJGLVCqqrRzJhWyuZg6KQij81x0qGWyAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:13.308371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043889
observed ebf51c72f5a2802bd4b4398b20790241...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.290631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043889/manifest.json
observed 352d47298a69ccd46a30b94d3ae88776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.272481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043889/publication.md
observed c862bf1e816a01c1f3bb08653399417d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.253133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043889/publication.txt
observed 14cdcc43fc28b24734f46d256b4eeb0e...
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 archivePending 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 packagePending Custody packages are produced weekly.