OpenTechnical

OT-2026-000042694

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off after set-down

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-2026-000042694) never changes.

Identity and time

Publication numberOT-2026-000042694 · never reused
Internal UUID01a0ae7a-c0cf-769c-8601-81b0527b75ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042694
StatusPUBLIC

Content hashes

Canonical textb19370c2e06f3467ae38399160714b9955aa84b2536925289890e85f53fc5e21
Markdownb029b50740f382807bcf00b64df1004f1669c657ed39c1c46361d94d03a697ec
PDF
Publication page25a2124733e29c688bab677ee588d5afd184e73915fc91fc4e5a111cc4a71035
Manifestde7d54c2f59dfbaa33d7a93aff211902de41207e477c60e79b46741346dee49a

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
Signaturei6OqDeFVJqU63kflzxwMd/86TV+lHVJ8PzyxF6dSotGy69jRlHq/kn8mIkaN4donPJjIdyUImpEZIjTAXtj/AQ==
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

2026-09-17T11:15:03.144365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042694
observed 25a2124733e29c688bab677ee588d5af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:03.124961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042694/manifest.json
observed de7d54c2f59dfbaa33d7a93aff211902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:03.105648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042694/publication.md
observed b029b50740f382807bcf00b64df1004f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:03.085809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042694/publication.txt
observed b19370c2e06f3467ae38399160714b99...
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.