OpenTechnical

OT-2026-000103819

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed blow-off after 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-2026-000103819) never changes.

Identity and time

Publication numberOT-2026-000103819 · never reused
Internal UUID01a0aea4-e463-7ff2-bdc7-7de1a44cad61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103819
StatusPUBLIC

Content hashes

Canonical text572a4b014856287476c0695de71cd63330d6f0e9ace745832669936022105f44
Markdown2a76738ac7b916940ebbad41f3beb0e7ff754a6e55e990fee13b954424648a1f
PDF
Publication pagefb0ca647673652005a0da7c0ab8a9923533a6b85d2211fdbde0386c9b58062db
Manifestdb138ba39ab114721284b348e0fdb3f80bd0271c456c0a31ffabca505def8e6a

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
SignatureLzpKPQf1s2DsesSXuzZVS31mKpkWXGZOZuDzs96uDu7mPzOtg6UKkcmGajAylN8jQ+C5lN/xNMKz0HB10GwfCg==
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

2026-09-17T09:22:46.576286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103819
observed fb0ca647673652005a0da7c0ab8a9923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.560815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103819/manifest.json
observed db138ba39ab114721284b348e0fdb3f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.544492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103819/publication.md
observed 2a76738ac7b916940ebbad41f3beb0e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.527689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103819/publication.txt
observed 572a4b014856287476c0695de71cd633...
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.