OpenTechnical

OT-2026-000075328

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000075328) never changes.

Identity and time

Publication numberOT-2026-000075328 · never reused
Internal UUID01a0ae93-f200-72c6-941b-426f216919e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075328
StatusPUBLIC

Content hashes

Canonical texta6bda32ca47e97a7502951a06e3042536673edf8714edb03076833c9cb0018ec
Markdown5dfad92576bc5197b7c8654d490243d7c64feb22bd1f20b45d7eb5f94d59d0f8
PDF
Publication pagee7a38be33d3c9387e9f2290304cd285ea9becfb95199b08b19adc0184ea0d7e1
Manifestb2134884ae2d3fd38bd829f017b64e543ca269fcf89934aaa047ccbb43d68b04

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
Signature20fdc3LeP47GQipyus2zyV0x8/U8ccd0Q92YZ6csDtF9FNGtte3Fptph+ANhbhU5oSo+iP58b89uRQxo93kyDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:17:11.975649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075328
observed e7a38be33d3c9387e9f2290304cd285e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:11.956380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075328/manifest.json
observed b2134884ae2d3fd38bd829f017b64e54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:11.814907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075328/publication.md
observed 5dfad92576bc5197b7c8654d490243d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:11.794206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075328/publication.txt
observed a6bda32ca47e97a7502951a06e304253...
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.