OpenTechnical

OT-2026-000018898

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000018898) never changes.

Identity and time

Publication numberOT-2026-000018898 · never reused
Internal UUID01a0ae6e-d522-70fd-a5f1-80a0f5d2430b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018898
StatusPUBLIC

Content hashes

Canonical texte6b0831bb1d989f0717fc8d8bfef3791871190a8d2ab615d1c7219ce2b3341f5
Markdown553ad874655fe605564f3f9d009d329181ab49e18962476bc494d1dfa6c6c36e
PDF
Publication page66ab0003473310865a8df663827a4d9ed3ceb57fda5f805093567af7214734a2
Manifestefba8c9746b1b2127a33bb9b1d1fec4f065f493830429a0e23ee3602d1982664

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
SignaturevR8zc+dM3eUomaDPxZjrRH6/TWeYZN++/BsMkIqTyO5tHU+u5FCCwasPiK/zTGcgpxDZyNbYr4ZIMclDov0ABg==
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

2026-09-17T11:59:33.291887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018898
observed 66ab0003473310865a8df663827a4d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.274809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018898/manifest.json
observed efba8c9746b1b2127a33bb9b1d1fec4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.257115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018898/publication.md
observed 553ad874655fe605564f3f9d009d3291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.238867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018898/publication.txt
observed e6b0831bb1d989f0717fc8d8bfef3791...
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.