OpenTechnical

OT-2026-000007312

Publication integrity record

Porous face vacuum gripper, two zone face, ejector fed, pressure verified, contact triggered, closed cell

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-2026-000007312) never changes.

Identity and time

Publication numberOT-2026-000007312 · never reused
Internal UUID01a0a97a-45c1-72c0-948c-0d76999be398 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:09:17.892668Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007312
StatusPUBLIC

Content hashes

Canonical text46e75ba96e46a36a06e4fee89d9d45da186dc91c9fe829a04e1e21bdcffabf4c
Markdownb516617372b5c17c0f9aeccb909bc4af15a292b5d7b82139634fbd25547c0bd9
PDF
Publication pagec6dbafeaf82931316b218f664da5b445cfed15dd9122e2d3daf81f5489b9c885
Manifest6314a864dd35aca69530f5aa8d430241887086164296645f1c8741d21be01987

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
Signature/lRq0YiNHiPS69zO6pt197WVH/mHnFNBsE6wGF5xC/vtwnL5AS2hqxkHkdAgfY18uy1bAwUioxkFo1sOy54MBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:05.009859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007312
observed c6dbafeaf82931316b218f664da5b445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:04.996255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007312/manifest.json
observed 6314a864dd35aca69530f5aa8d430241...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:04.983517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007312/publication.md
observed b516617372b5c17c0f9aeccb909bc4af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:04.969685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007312/publication.txt
observed 46e75ba96e46a36a06e4fee89d9d45da...
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.