OpenTechnical

OT-2026-000091228

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three 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-2026-000091228) never changes.

Identity and time

Publication numberOT-2026-000091228 · never reused
Internal UUID01a0ae9c-f16c-7095-8a29-bf7027c98055 · 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-2026-000091228
StatusPUBLIC

Content hashes

Canonical text003446944b85c31ebb1b2f843fd0428558705aa67240710bcd9a62ff0696351c
Markdown830b653c7401c10109e0ef958989900d9d9ea6e00b6fdf63796c9d2332175ce6
PDF
Publication page6f10243393aa30b32ce449fb452e88c8bc8e7f0367339c347c4e05cb5bbf1377
Manifestb26da4de7b5aa439014328310cc1b836f59af859823957d687a8b72436f3f417

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
SignatureIaM1rPs6o/WsSQ8W4wOtzZDwu1zm50127LOykY5Mm3rYjndfloylC1JilqxhCR/TA2iCZR3VI8D9WfJgAl6PCA==
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

2026-09-17T09:43:24.084632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091228
observed 6f10243393aa30b32ce449fb452e88c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.067797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091228/manifest.json
observed b26da4de7b5aa439014328310cc1b836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.051257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091228/publication.md
observed 830b653c7401c10109e0ef958989900d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.033627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091228/publication.txt
observed 003446944b85c31ebb1b2f843fd04285...
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.