OpenTechnical

OT-2026-000063378

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000063378) never changes.

Identity and time

Publication numberOT-2026-000063378 · never reused
Internal UUID01a0ae8c-f944-7f67-b5c6-31efbc231cb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063378
StatusPUBLIC

Content hashes

Canonical text53fb3290e3454264f7544567910ff0e56532380bad4eb6e4dd2e98ab9efd2084
Markdown27aec8efcfce768d623cc7027fbbc2330b96764f6a6316e172ab98d4c31e7d48
PDF
Publication page22ebe3982bbfb29666e6f7a140d2c52eaa53eb3472328b9485d9e5960d79c897
Manifestc0990d82694dd6fda99fe2c91ecd30061e5e1b04bb2e7e860ffeb10803a54b09

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
SignaturepKio943bHrmX+cRHnMBmZL/U0DWqpPHIHonutAKJ4tGFA92xpoB9P1D4/Hhv89plL3Gg8C1MiZvOKFfqLVsPAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:17.372535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063378
observed 22ebe3982bbfb29666e6f7a140d2c52e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:17.353033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063378/manifest.json
observed c0990d82694dd6fda99fe2c91ecd3006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:17.333378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063378/publication.md
observed 27aec8efcfce768d623cc7027fbbc233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:17.313646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063378/publication.txt
observed 53fb3290e3454264f7544567910ff0e5...
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.