OpenTechnical

OT-2026-000091183

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000091183) never changes.

Identity and time

Publication numberOT-2026-000091183 · never reused
Internal UUID01a0ae9c-f16b-7e2b-b1e9-2373c3d7dee0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091183
StatusPUBLIC

Content hashes

Canonical text7e61c2bb793287c5fe0b47398558ca1cf0705ecc6be25c9fdd70a43b62be5695
Markdown07d219ef321b8710be86c14338694d08f47a571021c8d19f6de22d7e22337501
PDF
Publication page90c70a8e3e3c3273dd2d42f0fb2158b08cc1d69955498c2279f139da9e945204
Manifest3df31da2a5585e576c238c3f301d342697675ac9c004a44e92eaa02c256c3f01

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
Signature3MJ7O+ymNVcr1NxW3AJjWdh+RtqzPhuYepdLouXEWrpaj9MC6ADr+kK5w+yNHIwz8r32GExHVIfwOOV6QWrsCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:20.612450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091183
observed 90c70a8e3e3c3273dd2d42f0fb2158b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.586075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091183/manifest.json
observed 3df31da2a5585e576c238c3f301d3426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.570853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091183/publication.md
observed 07d219ef321b8710be86c14338694d08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.553438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091183/publication.txt
observed 7e61c2bb793287c5fe0b47398558ca1c...
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.