OpenTechnical

OT-2026-000019563

Publication integrity record

Three cup vacuum gripper, three zone face, single 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-2026-000019563) never changes.

Identity and time

Publication numberOT-2026-000019563 · never reused
Internal UUID01a0ae6e-f394-7191-9f70-7da49e2fef78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019563
StatusPUBLIC

Content hashes

Canonical text4e6e57a5910274e91beffcaea57b7e998d744e66f36962601d456520d3b5abc7
Markdown0c1ec67c525ad89cde98444a7873c15d23a2a7837f6f6fd4bd4a9dae6200194a
PDF
Publication page57b17673beda14252a31c7dcfa8fd32245d6f34d869cf4439ae2ebc497718249
Manifest70c7ff4c1acde9148cd1a001a1999705c28213767f3c995f3bd0bb0443a4eed4

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
SignaturemCqoJGvL+Alr3J8h2gTaM/VsI8ukJw3eSYoTIKGJF8YUgwE06kFx62WVvhCeEKO16W9F46Qa5NiatNzV8wvDBg==
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

2026-09-17T11:59:00.501103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019563
observed 57b17673beda14252a31c7dcfa8fd322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:00.482111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019563/manifest.json
observed 70c7ff4c1acde9148cd1a001a1999705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:00.465996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019563/publication.md
observed 0c1ec67c525ad89cde98444a7873c15d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:00.450225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019563/publication.txt
observed 4e6e57a5910274e91beffcaea57b7e99...
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.