OpenTechnical

OT-2026-000028957

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000028957) never changes.

Identity and time

Publication numberOT-2026-000028957 · never reused
Internal UUID01a0ae73-2a9e-79fd-9175-2760f9b928ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028957
StatusPUBLIC

Content hashes

Canonical textbe68ee654b9228bf8514e61eaa7f2997c1c91523e1003d0a0f41fa63531b9eb6
Markdown0554d6dd5f9bd71ee9de1ad2160b26032cccae41b3ba0449b2cec1e7439eda4e
PDF
Publication pagee61880f2f9cb54615e003fc04c8bb35684d3ff63401975f9af51c7ff4385a4de
Manifest7529a7713ba19c801b262fb2ae3c76a33b0063d545409e8950877b659e38d31f

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
SignatureLxdFWTAPHC6ovcNw9Lmiedy1oM2mFWFh9w8AYUJOyh3jy9LTaCTdFQwJpA8yk4T8a6xb1NTW0JfyQNdXayFVCg==
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

2026-09-17T08:20:26.745558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028957
observed e61880f2f9cb54615e003fc04c8bb356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:26.726856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028957/manifest.json
observed 7529a7713ba19c801b262fb2ae3c76a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:26.708219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028957/publication.md
observed 0554d6dd5f9bd71ee9de1ad2160b2603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:26.689673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028957/publication.txt
observed be68ee654b9228bf8514e61eaa7f2997...
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.