OpenTechnical

OT-2026-000031031

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, pulsed 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-2026-000031031) never changes.

Identity and time

Publication numberOT-2026-000031031 · never reused
Internal UUID01a0ae74-3fb7-72b5-9782-92d4b0642c1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031031
StatusPUBLIC

Content hashes

Canonical text387d06ee7672d9393503964a5326a4ba1b6d2042111c4223be75f9d60ed6b367
Markdownad6dee8dcc1e765d02dcf207697197659e89e707da1613a0d834ff9b8a303f8c
PDF
Publication page396785643a6c1515930cb451c27493656351ea23506b4031b988281cda2996f2
Manifest28b0652afddfdceacf3b76a09b8d6475a5f5052c53d96e7646ee95b5d559dcb1

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
SignatureRAR1xHVxi+7tVZrHN3m7yMFfoGW7D/IbSQr/Fw9f9z4AjOeg+ihZv+7fBOb1+hKNz846Cj5kIGFdBHCMAe7uBg==
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

2026-09-17T11:40:07.707277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031031
observed 396785643a6c1515930cb451c2749365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:07.690457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031031/manifest.json
observed 28b0652afddfdceacf3b76a09b8d6475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:07.671371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031031/publication.md
observed ad6dee8dcc1e765d02dcf20769719765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:07.650468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031031/publication.txt
observed 387d06ee7672d9393503964a5326a4ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.605294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031031
observed 396785643a6c1515930cb451c2749365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.585179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031031/manifest.json
observed 28b0652afddfdceacf3b76a09b8d6475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.568522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031031/publication.md
observed ad6dee8dcc1e765d02dcf20769719765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.552925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031031/publication.txt
observed 387d06ee7672d9393503964a5326a4ba...
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.