OpenTechnical

OT-2026-000081078

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-2026-000081078) never changes.

Identity and time

Publication numberOT-2026-000081078 · never reused
Internal UUID01a0ae96-b976-7ea7-8f49-f772874b2193 · 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-2026-000081078
StatusPUBLIC

Content hashes

Canonical textf15e28f6c0bb77c722ec497ff4cece2695c12ea2182b797b5f99c38b2f5823d9
Markdown5c12f46e3304f43b752da0521d9019800d37de8b13cd30279e8fb8217ae0391b
PDF
Publication page29b0b68887adac892aeba3eb6a6173c41c1fd548e5d340ac7231f0eca865d20c
Manifest9eb77b8e93ea8a1dea147c9d78c160ead7e6fc17a0cea1c59a7f06c3d37778c4

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
SignaturehTE0ANVyxivu45lGg5XRGJN0Ku1/PEnIzJkg0YI3Ce6oNeqg3nVRFfCupmN9SWsZ4ADPN++hCGWEVYN4Umy6Bg==
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

2026-09-17T10:02:22.693127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081078
observed 29b0b68887adac892aeba3eb6a6173c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:22.674058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081078/manifest.json
observed 9eb77b8e93ea8a1dea147c9d78c160ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:22.657531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081078/publication.md
observed 5c12f46e3304f43b752da0521d901980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:22.640675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081078/publication.txt
observed f15e28f6c0bb77c722ec497ff4cece26...
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.