OpenTechnical

OT-2026-000063154

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000063154) never changes.

Identity and time

Publication numberOT-2026-000063154 · never reused
Internal UUID01a0ae8c-94aa-7b00-834c-6778d7f8fb61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063154
StatusPUBLIC

Content hashes

Canonical text2675f625b31f78e0fb32d494a0278197a4153741736861faec7a3a88234fac84
Markdowne6f37be6b0ab8842885dda1ed0c04dc0b7956ebfeabf1c4a6a6eeb9c0bebf38d
PDF
Publication page8119009717999ac7d596fdd3881a37a262052382b9d80c9afb8207bf9416ee8a
Manifest4f1062d8a520b3199ddecd360d5a2abc4a77ed6f5ea1812b59bff671c4f38b46

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
SignatureuHVDyG6kh5NsJV2SYPR2XGwkxK+JhzuELGlwqcZjRroHqdX+g8y7jMYA5fM9lvExHQ2jp1qCyEl+9Mlq8neABg==
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

2026-09-17T10:38:56.484928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063154
observed 8119009717999ac7d596fdd3881a37a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:56.466608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063154/manifest.json
observed 4f1062d8a520b3199ddecd360d5a2abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:56.449841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063154/publication.md
observed e6f37be6b0ab8842885dda1ed0c04dc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:56.431673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063154/publication.txt
observed 2675f625b31f78e0fb32d494a0278197...
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.