OpenTechnical

OT-2026-000050355

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000050355) never changes.

Identity and time

Publication numberOT-2026-000050355 · never reused
Internal UUID01a0ae82-5c47-7af7-8d52-0976fb2473e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050355
StatusPUBLIC

Content hashes

Canonical text3f573d26cd20d22abd8d872652adb86aedb28df2f947276a745876336f7b71a5
Markdown6af98efee6ee1dcf198640eafd8312781153a732f8e78c7d168f915d814a972b
PDF
Publication pagee3243f55988cf8afbcd378662b1d1bbd7abfef206d0153ef29f3fbbdc1d7b794
Manifestdab6beda067063afebea19c20f7946b45c30824b2dac13c5c19d6d66048c9e13

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
Signature8nG9iaSS3NFDK5buLcqstZtUwSBpOlfsglssaXKZp7sAV1Lv6Y14pmZ1fnhC66PrGbwQxBhwZ0gB0z4MlUNyCg==
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

2026-09-17T11:01:23.168996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050355
observed e3243f55988cf8afbcd378662b1d1bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:23.151327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050355/manifest.json
observed dab6beda067063afebea19c20f7946b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:23.133993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050355/publication.md
observed 6af98efee6ee1dcf198640eafd831278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:23.117258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050355/publication.txt
observed 3f573d26cd20d22abd8d872652adb86a...
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.