OpenTechnical

OT-2026-000022986

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, sustained 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-2026-000022986) never changes.

Identity and time

Publication numberOT-2026-000022986 · never reused
Internal UUID01a0ae70-46ec-7521-980e-072b435d70e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022986
StatusPUBLIC

Content hashes

Canonical text52d6a9ec623b2d09578235d6a25d1b6ea65ab91a391be3fa2597ab77a3a3e71b
Markdowna38d2ccdafda36f6f5984a6b02541209e7323b590f9450426217bed68d147db6
PDF
Publication pagec52930ff551303070affefd3e58b6cfc8fc0ec6afe493a341a2dcdce5b9b1707
Manifeste56510999e85062982bb1b9a9e3e410d39619ee8e3feba52aefbf384a6df0a87

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
SignatureuL5pes+Tgm9/SYV/R2LF1+DCDNogBXryaIDpQ1NRjMwhPrgxlyozbgg+C4eOAo/JdXAHIeEztoF2qohy5nODCQ==
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

2026-09-17T11:52:34.651751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022986
observed c52930ff551303070affefd3e58b6cfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:34.635754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022986/manifest.json
observed e56510999e85062982bb1b9a9e3e410d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:34.619511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022986/publication.md
observed a38d2ccdafda36f6f5984a6b02541209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:34.603021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022986/publication.txt
observed 52d6a9ec623b2d09578235d6a25d1b6e...
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.