OpenTechnical

OT-2026-000031451

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three 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-2026-000031451) never changes.

Identity and time

Publication numberOT-2026-000031451 · never reused
Internal UUID01a0ae74-87ad-76eb-b981-e3098274d090 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031451
StatusPUBLIC

Content hashes

Canonical text49f84dc45e4ee9d7db02d1344278713fb3160278635e11a0dd1e96802bdbf686
Markdown7740491cbb8d35ae4bab23550da8b56a94d9fe7e728a3f5c7af19ff718cc966c
PDF
Publication page566fb57a4f0fc79aaef39349c461fb24792e4e34f64ef1127335cc171cd7d3c5
Manifest9eb928c0594d79e56f397fe2393407d25ad34e9122a0bdb2494e0fcae232e9d0

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
SignatureAOXcUCUnVvYb6u69XKdImVt/cCr1ZGYfHDcwrtBRe2djYpJ4ctrCbYfN70Mr86o4gabQGl4mdFFgasS5AQLFCg==
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

2026-09-17T11:36:10.618093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031451
observed 566fb57a4f0fc79aaef39349c461fb24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:10.600887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031451/manifest.json
observed 9eb928c0594d79e56f397fe2393407d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:10.582696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031451/publication.md
observed 7740491cbb8d35ae4bab23550da8b56a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:10.565462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031451/publication.txt
observed 49f84dc45e4ee9d7db02d1344278713f...
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.