OpenTechnical

OT-2026-000081090

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000081090) never changes.

Identity and time

Publication numberOT-2026-000081090 · never reused
Internal UUID01a0ae96-b977-7896-b040-51be7bb21382 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081090
StatusPUBLIC

Content hashes

Canonical text3993f6f2b3a2cab696ae64cb6b88b5d0d7bcdba18259441ba3d611dd6f918431
Markdown76f09990618c090ffb8fae88446ac2f97a2783adf7e2415ede7910fb70279dd0
PDF
Publication pagec9277c6b1334a33d04a14018dbe49bcafb0bde00bfaaab878fd5dc2f51a70706
Manifest3dbbc9760732337f50d5bbce5e1c9600ebb736d2e7d4de8df58dccdaddfebfec

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
SignatureL5MCVbBp/HzeJ9qKglAjUmaWSbZUvnZJXMQP1o6yzmObODS/C378l0iNDveppcydekY7z9p8YsQa9G6lP9T1DA==
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

2026-09-17T10:02:23.668436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081090
observed c9277c6b1334a33d04a14018dbe49bca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.650602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081090/manifest.json
observed 3dbbc9760732337f50d5bbce5e1c9600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.634059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081090/publication.md
observed 76f09990618c090ffb8fae88446ac2f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.618087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081090/publication.txt
observed 3993f6f2b3a2cab696ae64cb6b88b5d0...
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.