OpenTechnical

OT-2026-000040198

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000040198) never changes.

Identity and time

Publication numberOT-2026-000040198 · never reused
Internal UUID01a0ae79-26ff-7160-8ee8-1d5218049955 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040198
StatusPUBLIC

Content hashes

Canonical textb0c36929fd8abc8b2c40a57cb0eaca5979abff0ab5a96b04e7d75949a8d6d6dc
Markdown7a194680cfbf88e77e7faf38e1facff4e2165c6be59aacc9b88a65f9e43f26bc
PDF
Publication page1ac42d6294312dffbe99ad93dec06a6ace58ab106498277cd7961acfbbf1a7f2
Manifest954d7f953143971ab471780e9a1a6791a048f4da295f60567a9a8d8eda6c1c6e

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
SignatureSa+xfm7cnKNMrFvEQ7l0Vd2FsOhZZ+2o1Y1ne04IgQJSuOvvFUxistHGXxrbPRiXOgoIuZxk+sbsvZS7DQ2NAQ==
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

2026-09-17T11:19:04.860305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040198
observed 1ac42d6294312dffbe99ad93dec06a6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:04.843237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040198/manifest.json
observed 954d7f953143971ab471780e9a1a6791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:04.827092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040198/publication.md
observed 7a194680cfbf88e77e7faf38e1facff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:04.811317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040198/publication.txt
observed b0c36929fd8abc8b2c40a57cb0eaca59...
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.