OpenTechnical

OT-2026-000016662

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000016662) never changes.

Identity and time

Publication numberOT-2026-000016662 · never reused
Internal UUID01a0ae6e-5918-7481-9ebf-00d4b76d03a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016662
StatusPUBLIC

Content hashes

Canonical textc5e13d324c9fcf7339cf33f9addc7aea91dd96f15bbd5c45c1cd01a9e586e685
Markdownbad337d804f1b752899ad4f04d20c30533b9afedffb4f33f1b21499be941f1d2
PDF
Publication page3c813a5a99a888c101a2536b7d458c621099c0dd0252e154dd3522ea2408a189
Manifest283495c3ee3048b634e8cd4021cd38d446b41c56aed1efcd02c25b40ed02fc54

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
SignatureGQIv7cJ1kqKiOmhF5meNuqlqjD4qwtJTIsk56C8XB+800y2lysSnulkddZqnWP7KEIyHeu733iKCHOCRw3LFDA==
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

2026-09-17T12:02:51.819115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016662
observed 3c813a5a99a888c101a2536b7d458c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:51.800803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016662/manifest.json
observed 283495c3ee3048b634e8cd4021cd38d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:51.782570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016662/publication.md
observed bad337d804f1b752899ad4f04d20c305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:51.717631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016662/publication.txt
observed c5e13d324c9fcf7339cf33f9addc7aea...
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.