OpenTechnical

OT-2026-000033918

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, pulsed blow-off 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-2026-000033918) never changes.

Identity and time

Publication numberOT-2026-000033918 · never reused
Internal UUID01a0ae75-a392-75de-8447-1003c4fc721e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033918
StatusPUBLIC

Content hashes

Canonical text9aff9408d28848d788cd12cea493285795cd588e208adf9e058b915ec0ccd43c
Markdown44ef3bcb0d371a7bda16f27a8eef24ccf44f3ce7657d1a00ecf487b5a1593edb
PDF
Publication pagee542d02ad7c22ae33b67dcd3e461ad3c8a3e1ebf75b77e9a8932372835bba633
Manifest769821855883122782d5e7022979f3a66810b50161f6fc127b346556adf9d5cc

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
Signature7A55wTSg/mHfYsrLAUr6UTrPtu7wvFSOVxzWqYqvP5UHR0mIr467AOM5gL/Q2nIXQfAB1hbsFaJb668MqxwACQ==
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

2026-09-17T11:32:00.025340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033918
observed e542d02ad7c22ae33b67dcd3e461ad3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.008886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033918/manifest.json
observed 769821855883122782d5e7022979f3a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:59.991838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033918/publication.md
observed 44ef3bcb0d371a7bda16f27a8eef24cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:59.973723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033918/publication.txt
observed 9aff9408d28848d788cd12cea4932857...
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.