OpenTechnical

OT-2026-000035081

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000035081) never changes.

Identity and time

Publication numberOT-2026-000035081 · never reused
Internal UUID01a0ae76-6a1c-72ef-b2bc-89e11a4d2176 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035081
StatusPUBLIC

Content hashes

Canonical text358fea62323c6dcec18d5a3369043202c4eaa6d6e00e879fbb6cc754aeebbb12
Markdown885073a3f49cd31f701d8f97a6a6231b427a79e7c937a5b1ad46ce641bb1fb75
PDF
Publication page170a3a7191785ec5158f050b3312a88748172643b75abba554c19dcb2b6470af
Manifestcb725bbe58b5e5fe930af128e6b7e3c3a836acf04fb6c5e154382c5ac0557a81

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
SignaturefY7smfnD90qAH22wtgi8eEBQechsoVvaI+xwDBSIa32in/sjMOu2HUE8Bj6JsVB/uR3pKM2DAOZji78cT6BfAQ==
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

2026-09-17T11:28:08.856873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035081
observed 170a3a7191785ec5158f050b3312a887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:08.836325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035081/manifest.json
observed cb725bbe58b5e5fe930af128e6b7e3c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:08.818512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035081/publication.md
observed 885073a3f49cd31f701d8f97a6a6231b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:08.801320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035081/publication.txt
observed 358fea62323c6dcec18d5a3369043202...
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.