OpenTechnical

OT-2026-000039250

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three 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-2026-000039250) never changes.

Identity and time

Publication numberOT-2026-000039250 · never reused
Internal UUID01a0ae78-9674-7ca1-ba89-889ada1b2f21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039250
StatusPUBLIC

Content hashes

Canonical textc928eedea2a9ceb986dda01d95116290c9a6cef24395bd364ea4879cf2dd8a19
Markdown2ac4185d8f90e583372f3961009b7dbafa2daa29653ee4242dba4cf1159267a1
PDF
Publication pagec87a06234758aa613084f12d13a6fb64b2616b6ce80b891d094b8bb8d1488e43
Manifestda1a4282f3edac33e6af232f9769f062f1a000e15812a21b9bd8e3bc1f09f41e

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
Signature9I+IBWNTAkyFblWkyyZ4IQQjErs81gaQ9Pgth5azFbc2uJQaHRQsdcS8C9HnDuW+LJ0XKx59b9G4BVesTTO1Cg==
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

2026-09-17T11:20:48.566941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039250
observed c87a06234758aa613084f12d13a6fb64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:48.549469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039250/manifest.json
observed da1a4282f3edac33e6af232f9769f062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:48.531934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039250/publication.md
observed 2ac4185d8f90e583372f3961009b7dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:48.514163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039250/publication.txt
observed c928eedea2a9ceb986dda01d95116290...
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.