OpenTechnical

OT-2026-000077867

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before 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-2026-000077867) never changes.

Identity and time

Publication numberOT-2026-000077867 · never reused
Internal UUID01a0ae95-2ed0-754e-b689-bde087553de8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077867
StatusPUBLIC

Content hashes

Canonical text57195c6fcd62521cc9840a314cc941791510b92127429197127720922bb3d531
Markdown5acb5eb32afc5978d66be9bb5afc3ce2fb092e4b00a8790cd2ddb194519c9490
PDF
Publication pagee16fc9ced72d2934a6b058fa928eeeb4180b66b7a7572f0dc42bec453a8faec6
Manifestc973b3935101a7b6de77fce4998081eecb71a82f00657d6cd3cec326691e0fac

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
SignaturevFhXnAKo5SQXLBs4d16whKBj7kp74GrHxbqWmqSSzUkkv2/5nnbf/fLxQLrbh882mg90K+kfJbmAjZ5poHDXCQ==
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

2026-09-17T10:07:36.541595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077867
observed e16fc9ced72d2934a6b058fa928eeeb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.520623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077867/manifest.json
observed c973b3935101a7b6de77fce4998081ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.500672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077867/publication.md
observed 5acb5eb32afc5978d66be9bb5afc3ce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.479926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077867/publication.txt
observed 57195c6fcd62521cc9840a314cc94179...
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.