OpenTechnical

OT-2026-000099081

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000099081) never changes.

Identity and time

Publication numberOT-2026-000099081 · never reused
Internal UUID01a0aea2-8287-7864-bb63-0af094fe4d95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099081
StatusPUBLIC

Content hashes

Canonical text98e6033307b62c793737aebbdb5d2f9f98620aa44241f9fc836c7560f24bf514
Markdownfa211fefcaea42a9f05a7da0de362961122cc5a9942840083758aa0487ddecf0
PDF
Publication page418bd476abf37d57fe95191659ffb47973ba52d9d8627f52da9c5fd12f7b4f1d
Manifest40404a76ff84c564f183ab56790cbf88fd6870713b95dfb6b2e6a764b8c63255

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
SignatureS00+EYseoY32O2Dvo0UQMJbD6N+cevOX29XpKoBHYn5ZtENeJ7tyeE74lsPdepEHh2Ss5IkBFogdExQWSrpEDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:18.846937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099081
observed 418bd476abf37d57fe95191659ffb479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.827237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099081/manifest.json
observed 40404a76ff84c564f183ab56790cbf88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.808312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099081/publication.md
observed fa211fefcaea42a9f05a7da0de362961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.785754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099081/publication.txt
observed 98e6033307b62c793737aebbdb5d2f9f...
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.