OpenTechnical

OT-2026-000014195

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000014195) never changes.

Identity and time

Publication numberOT-2026-000014195 · never reused
Internal UUID01a0ae6d-b279-7597-aaee-a14e6fae965f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014195
StatusPUBLIC

Content hashes

Canonical text8e940279dc98c86b72771ef48d43d7e0766bec1a013b2d52a88920708ff31606
Markdown2a3be2859c22e96b097e023fb1e4105a900b0750f8cc59421f8cca0d3547fc86
PDF
Publication pageaf4c2a5d48da2548d35a4d875864e6a8e8410b8c71268f670fba3714f602885d
Manifestb6eaf0a41c1d57cf964abcb6dcad8946fe0cacc60752e4fbfd7984047656307f

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
SignatureiZXFUq8ZE1dtKnX0KY/ydJcwivOXAAtUGPeFSo3o0eOk11Zh8nvfEQgGFijGzdWg3Q7+QNYB/j74zQomCZ+gBw==
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

2026-09-17T12:07:17.765467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014195
observed af4c2a5d48da2548d35a4d875864e6a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:17.746042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014195/manifest.json
observed b6eaf0a41c1d57cf964abcb6dcad8946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:17.726062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014195/publication.md
observed 2a3be2859c22e96b097e023fb1e4105a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:17.706231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014195/publication.txt
observed 8e940279dc98c86b72771ef48d43d7e0...
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.