OpenTechnical

OT-2026-000064790

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000064790) never changes.

Identity and time

Publication numberOT-2026-000064790 · never reused
Internal UUID01a0ae8d-deba-76e1-8f47-5d70469e593e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064790
StatusPUBLIC

Content hashes

Canonical textf410882bf76fcacf0478078ab4bd8f19bd9d8918927fa4d46fa56a198fb8e1fc
Markdownd66142f7b878cefffa331d47596987b71799bef9846d008f092f36f92fbab286
PDF
Publication page309df69a6110f6bdad16fd2877cdcbc8ffa28a99ab2ccbff58587ca2db0e6b7c
Manifest66e2666f6e2e211dde12bc360e129db11c0e9a9dc56a6d1c1f9c6ac2c029b39c

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
SignaturesFNRRXSn3aZew1fIKdu2HxSufLeWnZjxzgUgZOybTLMZNudO/RDywt7rqSncNsAHisznfV5qBSxaVW9cUN5FDA==
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

2026-09-17T10:35:41.326057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064790
observed 309df69a6110f6bdad16fd2877cdcbc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:41.309512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064790/manifest.json
observed 66e2666f6e2e211dde12bc360e129db1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:41.292156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064790/publication.md
observed d66142f7b878cefffa331d47596987b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:41.274619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064790/publication.txt
observed f410882bf76fcacf0478078ab4bd8f19...
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.