OpenTechnical

OT-2026-000043939

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000043939) never changes.

Identity and time

Publication numberOT-2026-000043939 · never reused
Internal UUID01a0ae7b-d678-736d-8539-c2d82099f668 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043939
StatusPUBLIC

Content hashes

Canonical text5a0d943894a9ec29ce287fe262be80a30b0bbc09a185b6001c4daa0b4b6884cc
Markdown808d6318b16e9fa2b19b8d5c0910dcf56011cf003cca3867778c64cc6715e0c5
PDF
Publication page0f4c8552079d2ac8c5b64971be2f9ae3df0c94b878d299b03214181906bbfebb
Manifest1e464b398b5bc68c338da92020de8c582359060415b30eca629a1f7b5a3d2f5a

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
SignatureTtFVTKrfNERw9HEN8N6dXOpGwon+qKBE2ADeF1q6r2T064PzjLYAU+HiFqtGBhFxkLo4Zm0rhcR6EOm5ObItAw==
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

2026-09-17T11:12:17.431196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043939
observed 0f4c8552079d2ac8c5b64971be2f9ae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:17.411972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043939/manifest.json
observed 1e464b398b5bc68c338da92020de8c58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:17.390877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043939/publication.md
observed 808d6318b16e9fa2b19b8d5c0910dcf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:17.370600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043939/publication.txt
observed 5a0d943894a9ec29ce287fe262be80a3...
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.