OpenTechnical

OT-2026-000069631

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000069631) never changes.

Identity and time

Publication numberOT-2026-000069631 · never reused
Internal UUID01a0ae90-b52c-70ab-a1c6-3f144700b20d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069631
StatusPUBLIC

Content hashes

Canonical text4b22210cf230b8f643df77c2dc423801e283d4dee9ba21d02830dc29a8a6cb10
Markdown73ba9a0b3c100e0a09310641737b0b35ddb600f999751920352dacdb05b74c08
PDF
Publication page00a817f877835967a35181b53bce34de933370d721a013d343315c60525c23de
Manifest370f0f6a75fbb9277f861b2e14c538979f1ab71c0e1642baec462738250d2171

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
Signature2PB97u+OrFoTXe2nLC+5i157JMwWRWnfo2PldozFA8AiE8sgg9efJ0yrHTlwJ75fIvz7+k8PIdUO+peoPx8pCg==
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

2026-09-17T10:28:17.827261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069631
observed 00a817f877835967a35181b53bce34de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:17.808039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069631/manifest.json
observed 370f0f6a75fbb9277f861b2e14c53897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:17.790106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069631/publication.md
observed 73ba9a0b3c100e0a09310641737b0b35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:17.772887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069631/publication.txt
observed 4b22210cf230b8f643df77c2dc423801...
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.