OpenTechnical

OT-2026-000075379

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000075379) never changes.

Identity and time

Publication numberOT-2026-000075379 · never reused
Internal UUID01a0ae93-f201-7f26-bef6-b978e4bfe97c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075379
StatusPUBLIC

Content hashes

Canonical textc4fd226970c985c85d3afea62f48298939b9a5f9051a01bb8090159bd272f3c7
Markdownbfaef753b1325d1a738894bd38e5c2342146d554c07fa05351ad5672d7a728c7
PDF
Publication page6a64d38b0cf6a88a55788b0c6e9d7e20ad8e18b979966f21e29786385a9ebd58
Manifest4f67e3a26dd883f0a4124ed786b881d8894c110d9577b12ce3f50d2dadb7a2d6

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
SignatureTB+Km5s+iX9yEpm2omY0oZl1ki/zcxTsEUp7XHXCACJgnPKSu1rEou+VqVx3c2rLVaGSmJ3vty9isTtq7vcFBQ==
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

2026-09-17T10:17:24.741821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075379
observed 6a64d38b0cf6a88a55788b0c6e9d7e20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:24.724326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075379/manifest.json
observed 4f67e3a26dd883f0a4124ed786b881d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:24.703297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075379/publication.md
observed bfaef753b1325d1a738894bd38e5c234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:24.563285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075379/publication.txt
observed c4fd226970c985c85d3afea62f482989...
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.