OpenTechnical

OT-2026-000035743

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line 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-2026-000035743) never changes.

Identity and time

Publication numberOT-2026-000035743 · never reused
Internal UUID01a0ae76-b4c8-71c4-8ba4-ba25f12b6830 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035743
StatusPUBLIC

Content hashes

Canonical textcc9bf3eef082bd06dab7438936b63b88650eaa8ac04c88b3eb848ea027bb24af
Markdown2244cd90b8f40d189fa4fb8a2f9dfe6263c9994d72b7a5a10dd06b614272d608
PDF
Publication pagec3ee16084eb125c23701768e60a1c60a46cb5d912513247502b9b30ae5df09d8
Manifest26045ea274e01d4d956979221198103a5c11bdd93feb313ba307e843498ee7ae

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
SignaturehdRxP7IHg1VmfQc9ujsxaiCDxti1ctRe4O+CBWfc/HS2aa3iR+QfILFbweEHTdfYr+nW/ab5AZHnyUhZyPgOAA==
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

2026-09-17T11:27:26.013560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035743
observed c3ee16084eb125c23701768e60a1c60a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:25.994592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035743/manifest.json
observed 26045ea274e01d4d956979221198103a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:25.977005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035743/publication.md
observed 2244cd90b8f40d189fa4fb8a2f9dfe62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:25.960111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035743/publication.txt
observed cc9bf3eef082bd06dab7438936b63b88...
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.