OpenTechnical

OT-2026-000068635

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000068635) never changes.

Identity and time

Publication numberOT-2026-000068635 · never reused
Internal UUID01a0ae90-2483-7647-affa-59199254f55f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068635
StatusPUBLIC

Content hashes

Canonical textf0edae5a09eb5bd22834d90b3c11b9aabb4e932934c561cedcac56eee88ba229
Markdown51fb35c88795e78e7117100d529668f98d7f3e7944d04026c4ac93ca252d4935
PDF
Publication pagef021362537967b21998410199a921d14aaa4268d1fb805cab9cac978c267b8ff
Manifestc5f44e52b853846b965d695b68893a7e71a36b36cf2942f49810467d83848769

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
SignatureWaHUP6x1lwCSzcMwXcfJ/GnpmBgPvg08cDP/oUQUMdxkIz/ztPJ1U5H0Rr8u0q4a0MG1F7fXejX5bYnF2pT9Cg==
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

2026-09-17T10:29:49.437116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068635
observed f021362537967b21998410199a921d14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.421380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068635/manifest.json
observed c5f44e52b853846b965d695b68893a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.405793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068635/publication.md
observed 51fb35c88795e78e7117100d529668f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.389376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068635/publication.txt
observed f0edae5a09eb5bd22834d90b3c11b9aa...
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.