OpenTechnical

OT-2026-000022119

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two 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-2026-000022119) never changes.

Identity and time

Publication numberOT-2026-000022119 · never reused
Internal UUID01a0ae6f-f4fb-7bb6-a780-24d9974800c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022119
StatusPUBLIC

Content hashes

Canonical texta7ff715dd5af0ca08c2dcf8ae4fbba6c5a439cc368c6a4cae1493078255b66a6
Markdown3ff04ad10c94ad9bb08d8ab1bda0cafbc868e36e347217ea94fbe202c046772d
PDF
Publication page6cd8b7966dd2675c8a78ffda6609ead173c53f25939834fffad7aaf046564670
Manifest9703a7172277c181c3b73f22c36cb0755512360111f8e245a0a77980180ecd44

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
SignaturecyHr5pcRDmWo/1DIWwhmm33gSCueUBh8Iy5SzLUB25bOV88eT0aCCgDKj+hBomzApiUy1ZuuVgiTd98DlgoyCQ==
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

2026-09-17T11:52:47.472806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022119
observed 6cd8b7966dd2675c8a78ffda6609ead1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:47.455105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022119/manifest.json
observed 9703a7172277c181c3b73f22c36cb075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:47.437461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022119/publication.md
observed 3ff04ad10c94ad9bb08d8ab1bda0cafb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:47.419589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022119/publication.txt
observed a7ff715dd5af0ca08c2dcf8ae4fbba6c...
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.