OpenTechnical

OT-2026-000025952

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000025952) never changes.

Identity and time

Publication numberOT-2026-000025952 · never reused
Internal UUID01a0ae71-a83f-7c7d-b6cb-3d394454ff8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025952
StatusPUBLIC

Content hashes

Canonical textbc157ad04466aca904f16c4ba0806ba5328e4bbfefa0cc802fb8a1c1058e8644
Markdownbe64c685e6ccdbd293b0f62d56a81d8cd0939526925c729b82783cc346b7fa02
PDF
Publication page777f51fec56d2be57ae4301fd8361473691c7c335d188f26689864200f3253e9
Manifestd560aaa3ded1efda1b9e138ef8d66bdeafa77413dba26eeb4bbaf10b88826bec

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
SignatureSUl/e4CQG99W9UW/6iqMGS9Kmp/hw1TiX33lWRgdq484yJmVkvbMs8r/eSZdpwFJk+ZqdDgVFykXfIQ0M6VfBw==
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

2026-09-17T11:46:19.233972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025952
observed 777f51fec56d2be57ae4301fd8361473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:19.215454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025952/manifest.json
observed d560aaa3ded1efda1b9e138ef8d66bde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:19.194844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025952/publication.md
observed be64c685e6ccdbd293b0f62d56a81d8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:19.173845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025952/publication.txt
observed bc157ad04466aca904f16c4ba0806ba5...
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.