OpenTechnical

OT-2026-000037138

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000037138) never changes.

Identity and time

Publication numberOT-2026-000037138 · never reused
Internal UUID01a0ae77-7741-7e69-a300-9789459b3ada · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037138
StatusPUBLIC

Content hashes

Canonical textd41c2ffe984266a2cd6995e914497d14e474abc72a03cd4839e4a00313cb7213
Markdown5effccf6629cf1074a94fc63756d96403ff5dd6d829ebfd77b49c5f1392aca78
PDF
Publication page57c54624cb7fe65bbcb4181054def3c62e3842090a4303e3211bd289a17b17b6
Manifest497afb35c72c531186d276fcadf2bfc6ca247f7d158918a7a3cdbb5251a1ec71

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
SignatureoELxvTszhvsWxPUxhLOsEN8S/mDbPTNBHoEdn4jfIZaaIV/n1qv1aRaFQEuFWoG3nHbCDHMp0SihWzLl/1h2BQ==
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

2026-09-17T11:25:00.951081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037138
observed 57c54624cb7fe65bbcb4181054def3c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:00.934639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037138/manifest.json
observed 497afb35c72c531186d276fcadf2bfc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:00.917415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037138/publication.md
observed 5effccf6629cf1074a94fc63756d9640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:00.900680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037138/publication.txt
observed d41c2ffe984266a2cd6995e914497d14...
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.