OpenTechnical

OT-2026-000063102

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000063102) never changes.

Identity and time

Publication numberOT-2026-000063102 · never reused
Internal UUID01a0ae8c-94aa-7960-9377-4e8cba8cebdf · 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-2026-000063102
StatusPUBLIC

Content hashes

Canonical text26aa27a95ed4e6d35b0a57ef02b272a9562e2fb9e0ba8b8ef6cfabb6970840d5
Markdownc6db19cf1655c8393dd3b0759b1f53b91d374195b329befa029d833e2e773f92
PDF
Publication page65c96531c1f3b1115f4d6514ed18e8c6ba0255820ab333affae230f4626bf9d5
Manifestffb72df6ac1b8b99ce13c0f229ccc834539f8994f68c7e985ee66c1a601c8c85

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
SignaturemNqgqO5qlvGuyC6alNuNMUwZNfNa8FZ97MzDDrjyXxGAyYIjnBwUCRXnaJ4F3ZLVzeI+zhfhk9o8KT8BZL5lCQ==
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

2026-09-17T10:38:52.621295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063102
observed 65c96531c1f3b1115f4d6514ed18e8c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:52.605116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063102/manifest.json
observed ffb72df6ac1b8b99ce13c0f229ccc834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:52.587016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063102/publication.md
observed c6db19cf1655c8393dd3b0759b1f53b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:52.569416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063102/publication.txt
observed 26aa27a95ed4e6d35b0a57ef02b272a9...
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.