OpenTechnical

OT-2026-000066195

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump 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-2026-000066195) never changes.

Identity and time

Publication numberOT-2026-000066195 · never reused
Internal UUID01a0ae8e-8dc3-736d-b8ed-b0a5cbcdd32d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066195
StatusPUBLIC

Content hashes

Canonical textcf0d5530f268b395e72341888ac30054225298e00e9601fbe65ec52ea881c165
Markdownc8182be4beb6f62e580d04dc254e63918db3c2c350d81aa3453e0e93b2fb3c4b
PDF
Publication paged2bb36b1472a40cb433ed7e3519dc13f76a86dd0fac9640ca143bb8bb101314f
Manifest00535d7ebe53610695a11ae037f855ae76cfe133aa1d8779830b750eb1b8da5e

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
SignatureexMSFCloAAY1C0HjH3b8Ws695z2LoU/tvcLPXTraWS8QY9zGK6e+uy84vRx1KcldMmd6+9Z9YpxMfuND7b1iCg==
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

2026-09-17T10:33:21.083307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066195
observed d2bb36b1472a40cb433ed7e3519dc13f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:21.065709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066195/manifest.json
observed 00535d7ebe53610695a11ae037f855ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:21.047740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066195/publication.md
observed c8182be4beb6f62e580d04dc254e6391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:21.028791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066195/publication.txt
observed cf0d5530f268b395e72341888ac30054...
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.