OpenTechnical

OT-2026-000100791

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100791) never changes.

Identity and time

Publication numberOT-2026-000100791 · never reused
Internal UUID01a0aea3-66f5-7ef6-b286-4787781e547f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100791
StatusPUBLIC

Content hashes

Canonical textbdefc434c741e97709d423150aaf89bde31dbfb355ef72f84c00a367209aba99
Markdownb5129ba4319a9eb2411a5f9275d3e15ee960c85c86dddfb5977f8a444ea7c8db
PDF
Publication pagee56048284d5c8c2fdb2df9e9004233b098ada1379058cda1678b0f2eb5237ee1
Manifest3899af854e54f0ded7321f3d1a4c903fb1eab4898e12c6484033bd6aa47700b8

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
Signature6iCfArX8ThU8Ac/fwBvwKgdcA+0IzpCvtP8Yg2JL9IACHOJNI7wt1fJOLl0FLGQfXuNO93skNj+Yl8xTrPLHDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:42.184657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100791
observed e56048284d5c8c2fdb2df9e9004233b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.165503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100791/manifest.json
observed 3899af854e54f0ded7321f3d1a4c903f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.144997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100791/publication.md
observed b5129ba4319a9eb2411a5f9275d3e15e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.126141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100791/publication.txt
observed bdefc434c741e97709d423150aaf89bd...
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.