OpenTechnical

OT-2026-000034221

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000034221) never changes.

Identity and time

Publication numberOT-2026-000034221 · never reused
Internal UUID01a0ae75-df0d-722d-bf9d-c6bba7a1d896 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034221
StatusPUBLIC

Content hashes

Canonical textdec52af5531e0fa53cfcf6b130f9e463c0820dc62b572ca60a2535293431a5cb
Markdownfa3e46105c34c9fb59357082ee2b286a4ee0b12ad5e18471bad2d8f2089bf927
PDF
Publication page1acdca84450e89018bc911b92894517e0119aba427861d23203944eaa467e6b8
Manifestf7b908c290e8cf7f49d55249167e8c764e05a53db01260b69266d6f71334feee

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
SignaturedEV8FCuqSBXZ6NgeWGw1iwbSz1xR+ymqDhNJE+yAGvVEAo7wUk2b6RXTOe0LqKzIscZxNgFgGuHgTkAWi3pwDw==
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

2026-09-17T11:30:46.250750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034221
observed 1acdca84450e89018bc911b92894517e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.232916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034221/manifest.json
observed f7b908c290e8cf7f49d55249167e8c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.214488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034221/publication.md
observed fa3e46105c34c9fb59357082ee2b286a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.198576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034221/publication.txt
observed dec52af5531e0fa53cfcf6b130f9e463...
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.