OpenTechnical

OT-2026-000013359

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000013359) never changes.

Identity and time

Publication numberOT-2026-000013359 · never reused
Internal UUID01a0ae6d-6fca-7d2f-805d-ba4ead41b923 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013359
StatusPUBLIC

Content hashes

Canonical texta7a81c82aea3ef4d6203578e1a617b94c850291e05cea6f55bf3970852ee5333
Markdowne38237c725371e15301fe0dba1d02a63681abf66b6214d8ab5ce86600d28d8cc
PDF
Publication page2993085d248cb25d0eaf2add982ed39062f9607f80bf2dc91f5daecc70e91c64
Manifestdad99f8283ed418d95687d30eef75d71282e7e69c5d3789fd82df75bae52c700

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
Signatureyl7/5lh+xzgp1kEK2F7eyZUNRXcks7ZqPa/ik5TOo/mDL8/DNcNzkSQ9BYARI9W0QYuXCgtFcEOi+vvutTouCQ==
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

2026-09-17T12:09:48.722708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013359
observed 2993085d248cb25d0eaf2add982ed390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.701364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013359/manifest.json
observed dad99f8283ed418d95687d30eef75d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.679151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013359/publication.md
observed e38237c725371e15301fe0dba1d02a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.657521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013359/publication.txt
observed a7a81c82aea3ef4d6203578e1a617b94...
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.