OpenTechnical

OT-2026-000074933

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single 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-2026-000074933) never changes.

Identity and time

Publication numberOT-2026-000074933 · never reused
Internal UUID01a0ae93-ac2d-7445-8c47-5f8a3583912a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074933
StatusPUBLIC

Content hashes

Canonical textc22231d63ae654bed8f60e1055446aa2adcb11a45bbf961be69979dbc8b30cf9
Markdown0d9c1945c7e72075b4273468b1ecbd7dcbaa9889337d438206a6c501205a9c30
PDF
Publication page98896f395ad19be949ac556c06b0df2d22c6c4398730f4cc6c35459d54a439ae
Manifestb47c6e49df9998236ec02acef2f71b77a81574b5fae159603ece2e93ea6eeda7

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
SignatureWiRlf4duUizxiQWEs6/wke0Fr5zrf6fCoYWELOCK7y/jppOA2efwi4XkEdPrHZq00t2Xr0mC6I/JoMPmQWWiCw==
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

2026-09-17T10:18:39.716535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074933
observed 98896f395ad19be949ac556c06b0df2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.699802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074933/manifest.json
observed b47c6e49df9998236ec02acef2f71b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.683562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074933/publication.md
observed 0d9c1945c7e72075b4273468b1ecbd7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.665780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074933/publication.txt
observed c22231d63ae654bed8f60e1055446aa2...
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.