OpenTechnical

OT-2026-000075695

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000075695) never changes.

Identity and time

Publication numberOT-2026-000075695 · never reused
Internal UUID01a0ae94-29fd-78e2-9ec4-b5e420c9c332 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075695
StatusPUBLIC

Content hashes

Canonical texta3c3450c255f1217be7f89561381942f285264883821ec983c1f802df77be745
Markdownc67546ba4d97210cf90a27b98bfc323ea8e0063aa7e82924405097f113144bbc
PDF
Publication pagec32d94d668c2ecef1d58ed23f5fbbfa67409b1bd6ee27f12de26765642491572
Manifest9bcbb0527756f6a3b2fcc6cd9de2b348281d9987444420cfa7f4fb6806114135

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
SignaturesM9MB1P9H9Z1bHGJJTRKAi8SjIpsYcWCuKPJf6xBFFN178922Xj0GvlW0FB+Wk4MLkewRgwCgn6ZOygfZkolBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:13:54.237739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075695
observed c32d94d668c2ecef1d58ed23f5fbbfa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:54.208915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075695/manifest.json
observed 9bcbb0527756f6a3b2fcc6cd9de2b348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:54.061812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075695/publication.md
observed c67546ba4d97210cf90a27b98bfc323e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:54.043146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075695/publication.txt
observed a3c3450c255f1217be7f89561381942f...
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.