OpenTechnical

OT-2026-000035231

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000035231) never changes.

Identity and time

Publication numberOT-2026-000035231 · never reused
Internal UUID01a0ae76-6a1f-7d8e-9a78-4429cd30e6e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035231
StatusPUBLIC

Content hashes

Canonical text3a5811cc9b7778dcaa99933d7373d2f932352fd3bde887c50bc35ef421ec1160
Markdowndb03f700134d022ff97c468c41dbd938bec39e9691fe6e4bd77571411790d7d6
PDF
Publication page4e4a3faaeb948d3706c899f66a1ee74cdc3a26f1809a1ad1b339d087827912ac
Manifesteefe46fc182755b070f1a0be0a847afce074154d266ae48eadaaf74877612596

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
Signatureodqf9K6rM+YypdiYEYtsw8HqpeOExlfUUTvBSnarayQTXdpFndXH5LpXFIyVM9lcYMSot1KikCQDVysNGVITCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:28:22.108136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035231
observed 4e4a3faaeb948d3706c899f66a1ee74c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:22.087705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035231/manifest.json
observed eefe46fc182755b070f1a0be0a847afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:22.069418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035231/publication.md
observed db03f700134d022ff97c468c41dbd938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:22.052450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035231/publication.txt
observed 3a5811cc9b7778dcaa99933d7373d2f9...
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.