OpenTechnical

OT-2026-000055183

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, supply line 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-2026-000055183) never changes.

Identity and time

Publication numberOT-2026-000055183 · never reused
Internal UUID01a0ae86-5e83-7887-afe0-e6b521609169 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055183
StatusPUBLIC

Content hashes

Canonical textc3f7e4e4f790804a1a14d5eb73e9cecd3b9e0b9020aea27d91ddddbd8aeb5b04
Markdownc491cc4af68198ab116d541042268cddb5b2512d7fce70a61a63246136722d29
PDF
Publication pageeb36563c0dc8c3667c9087dc855c1169559db2be5a35740f56ff35d3d64063d8
Manifest8faf0da4d2042f3a586e60534d3d0adc69e9f889fec7d10b70973d4a0a061fdf

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
SignatureGScyI4ARH/Jb1YBGOV39f6xgimCp1dC3IQyU43YJMRAfWAbZfifc1efYI+fM+yvR4edpXxc4qSgYNQ2BAfvQDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:22.438930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055183
observed eb36563c0dc8c3667c9087dc855c1169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:22.420557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055183/manifest.json
observed 8faf0da4d2042f3a586e60534d3d0adc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:22.400504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055183/publication.md
observed c491cc4af68198ab116d541042268cdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:22.382161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055183/publication.txt
observed c3f7e4e4f790804a1a14d5eb73e9cecd...
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.