OpenTechnical

OT-2026-000092880

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000092880) never changes.

Identity and time

Publication numberOT-2026-000092880 · never reused
Internal UUID01a0ae9e-090e-7fb4-93b6-045379539b35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092880
StatusPUBLIC

Content hashes

Canonical text8fe3a3402d9eb91cc8048564d66bb0e8b0db7da42bff939bef17d3c5ae1d6525
Markdowna603dd22d9646c97c3da3d6745f94f60c3499374cb09b325045b7396a12e0b7b
PDF
Publication page95cd24503c45bd6442dbb423588339f55d1f37bd8c9b09d8b1bace49657b3508
Manifest7a46bfdd62cf495bd6914d72d4e1e758fa453fe2abf0d3310df6b17cb8da3015

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
SignaturevGE01/vKS6hw1a+r23FeooeH2ArVyY1rPZ6V8PHwv+mCTNYM9mrIMGwJnHiMCjdiVuNmhmwzQ/4AhNUNHqXADg==
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

2026-09-17T09:39:59.305189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092880
observed 95cd24503c45bd6442dbb423588339f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:59.288415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092880/manifest.json
observed 7a46bfdd62cf495bd6914d72d4e1e758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:59.271104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092880/publication.md
observed a603dd22d9646c97c3da3d6745f94f60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:59.252830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092880/publication.txt
observed 8fe3a3402d9eb91cc8048564d66bb0e8...
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.