OpenTechnical

OT-2026-000033907

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, 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-2026-000033907) never changes.

Identity and time

Publication numberOT-2026-000033907 · never reused
Internal UUID01a0ae75-a392-7afa-af54-06c46f697d29 · 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-2026-000033907
StatusPUBLIC

Content hashes

Canonical textb5f0f9b918ece4a1c75fcb544b137a6d59ae5c579cf1894317914e76dbbaa70c
Markdown92fbdacc7d084cb2f388294084877b48321158ca6d849d35000292e6ab9385c9
PDF
Publication page0efaf9226010bbf97c8a6197c4de9da46fe902679af26acdf7f74ee8e2577ffb
Manifest17c75c280ab59067c833d93f1e32869a189f3fe01fe1dd7ce352ec9219dba602

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
Signature1H/jN8uQkdQ4+D0XqzMiUPRA5viDsk04UzhKcHZLc8FcowmRBO7MKHNCNJtHXKg2XWpftwkF/HgBbW8SYACiDQ==
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

2026-09-17T11:31:59.189605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033907
observed 0efaf9226010bbf97c8a6197c4de9da4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:59.171109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033907/manifest.json
observed 17c75c280ab59067c833d93f1e32869a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:59.152914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033907/publication.md
observed 92fbdacc7d084cb2f388294084877b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:59.136113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033907/publication.txt
observed b5f0f9b918ece4a1c75fcb544b137a6d...
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.