OpenTechnical

OT-2026-000029177

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000029177) never changes.

Identity and time

Publication numberOT-2026-000029177 · never reused
Internal UUID01a0ae73-2aa0-75b3-8b09-2ebd9d64410f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029177
StatusPUBLIC

Content hashes

Canonical text92e0b613c676e1bad0cfdfc88f9e0ec6ccabd274cb4dfa3c58b4e2b77abe51e1
Markdowndd548d15f729f407eba3fee155d6d19cfbd9f98c4ae25b1ed48093c641163e67
PDF
Publication page4d8f10a0533162d2319f58e724937d10f7488ce8d3d6e6cf814b75cf42c4ae78
Manifest0fa99d54f03325046dc3112fa85d5d01369a7a5dbe155a43fae92005dd6480a8

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
Signature3W/U5aVcOiBBy4I/oyGCgVklMm9eWFVradtRYYORXnH4uycQyFQejMeVmzDXcgnLW19Pwjc/xrG9szCkGyRABA==
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

2026-09-17T11:39:40.586625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029177
observed 4d8f10a0533162d2319f58e724937d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:40.570393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029177/manifest.json
observed 0fa99d54f03325046dc3112fa85d5d01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:40.552429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029177/publication.md
observed dd548d15f729f407eba3fee155d6d19c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:40.534015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029177/publication.txt
observed 92e0b613c676e1bad0cfdfc88f9e0ec6...
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.