OpenTechnical

OT-2026-000011118

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000011118) never changes.

Identity and time

Publication numberOT-2026-000011118 · never reused
Internal UUID01a0ae6c-540f-7a95-bfed-1218ed895491 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011118
StatusPUBLIC

Content hashes

Canonical text25d79497f44166721fd9996931ca4f6a5ccebcd91635e2e597d9234b7d645825
Markdownceb9d8f64c0357e3952503a0c60f648047f4637f6d1e76fa8cb92df5d5799dad
PDF
Publication page85c94b5b1b463e795cf0bda29659d511f56bfbec8f05ccdda6790f91c2da73bc
Manifestacda3032e77e7efb1421c91d7b9370769cb581f910511063c855105517457df3

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
Signaturee900kX6q36GNq3QqKmPELEEGQRA2bjnhr9HUiXm7SZbZrcWfNeKLc5NbrId/ccj9VJiG0HM/+g2sHz/l4BfAAQ==
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

2026-09-17T12:13:31.803003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011118
observed 85c94b5b1b463e795cf0bda29659d511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:31.785204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011118/manifest.json
observed acda3032e77e7efb1421c91d7b937076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:31.750565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011118/publication.md
observed ceb9d8f64c0357e3952503a0c60f6480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:31.716599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011118/publication.txt
observed 25d79497f44166721fd9996931ca4f6a...
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.