OpenTechnical

OT-2026-000033638

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000033638) never changes.

Identity and time

Publication numberOT-2026-000033638 · never reused
Internal UUID01a0ae75-a38f-7ef4-8bac-8bb1c40c2c85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033638
StatusPUBLIC

Content hashes

Canonical text2622570778a61ef715b15ca59507fd03efa6fa84d1334b09cf08da337c1549c6
Markdown52f066aeaa5ffdf662aecca4581b6622c7116a260a5f84caea44546afcea112c
PDF
Publication page3acd47a371bd36ccb5149600e50df9378e811af8dccbcbdcbd49e13e81adf6fe
Manifestd2ce8f369d26dddc80130493b341cb6722de271c8a7fce26310c34728d9dae03

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
SignatureSWr0kA97PhjSuPt4tdTICiX7Qjbqmd6iUGZixCCi7zeR1I+d1uFrVgZs2Qpx05gaZsyaUug1u81ZGW5r1ZxQBg==
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

2026-09-17T11:31:37.209702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033638
observed 3acd47a371bd36ccb5149600e50df937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.188788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033638/manifest.json
observed d2ce8f369d26dddc80130493b341cb67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.170939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033638/publication.md
observed 52f066aeaa5ffdf662aecca4581b6622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.152991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033638/publication.txt
observed 2622570778a61ef715b15ca59507fd03...
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.