OpenTechnical

OT-2026-000054286

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented before 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-2026-000054286) never changes.

Identity and time

Publication numberOT-2026-000054286 · never reused
Internal UUID01a0ae85-b3a9-76d7-8ab8-dc93b4cdcc82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054286
StatusPUBLIC

Content hashes

Canonical texta16c74e8a078323b8e5ba7153d8da34292e7078901ad5f3b62a989e2f445818d
Markdowncc54abe5301bddb4860bd272235cd49271a65bb1d964ae8d80b06325a6c48c5e
PDF
Publication page93bfdfca6cd14798f1933c354cacec7a402b4cf076275b4dbdc1c71821c756cc
Manifest30d38acea9bb47c671da637f5cdf38b8eaacd9bd02b1c394e264cf53ff973e16

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
SignatureTIme8upfnOr8RRTFXPdmknnQbizkNwLHghBdSAJ0UbjO0/O2g8PzslHvwS7Oooj3Q/3WABMrXXogFBt+ePJlAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:47.027476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054286
observed 93bfdfca6cd14798f1933c354cacec7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:47.010169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054286/manifest.json
observed 30d38acea9bb47c671da637f5cdf38b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:46.992879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054286/publication.md
observed cc54abe5301bddb4860bd272235cd492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:46.975888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054286/publication.txt
observed a16c74e8a078323b8e5ba7153d8da342...
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.