OpenTechnical

OT-2026-000031482

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off 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-2026-000031482) never changes.

Identity and time

Publication numberOT-2026-000031482 · never reused
Internal UUID01a0ae74-87ae-722f-ae29-a086c38e4529 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031482
StatusPUBLIC

Content hashes

Canonical text3c66d014973383956708ef4ff71741f643afb4839e15817e1cdcd61f227e72ed
Markdown177a35b927e913a7c6e4c3deb03bf437aa7d2d4e36456c82d1e4b8aa2f0ad278
PDF
Publication pagef0f6d5411407e2396d004f40ede1041747871e13bda8cf9f94c804153f9c8e3d
Manifest69935b98e40c34ba931ef14fb0dcc03ed963565bec7d3cd92a8e86700a93a994

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
SignatureUp6e6URUNwF+nK8mmRcA2SJGxxUYiZtEPAN69XzEsNE/tyifuu8f62uhZ5qPTiO+MZ/owL4zgGpVMqbEre/2CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:18.391432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031482
observed f0f6d5411407e2396d004f40ede10417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:18.369170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031482/manifest.json
observed 69935b98e40c34ba931ef14fb0dcc03e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:18.350318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031482/publication.md
observed 177a35b927e913a7c6e4c3deb03bf437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:18.332868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031482/publication.txt
observed 3c66d014973383956708ef4ff71741f6...
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.