OpenTechnical

OT-2026-000034213

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-2026-000034213) never changes.

Identity and time

Publication numberOT-2026-000034213 · never reused
Internal UUID01a0ae75-df0d-7722-83ff-5d263f040ed8 · 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-2026-000034213
StatusPUBLIC

Content hashes

Canonical textf1c57e80cf5347f5dc0d688aaf776d8bad3ec4bf634b95e89aa6e9b3a0bef8de
Markdowna509740c5b6fbb423b6387984cad9d646c15db98bef25959258c526af0ed2c3b
PDF
Publication page1fad20468a716be6f8d52d3201efaa0e4a01575e345b229deefef9826a2753fd
Manifest681a512115b83232973b070ff787110e27f2791c979b3e2f27fd91ffc347afd3

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
Signaturep2ZJ7pbAJJgr3K2lPlAi738aiCcaBmtJrWqtS6C1PEunnFs5kwhmc98fDOeC+Milx7HfGakhBeZ8DLfoXGl8DA==
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

2026-09-17T11:30:45.621969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034213
observed 1fad20468a716be6f8d52d3201efaa0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.603829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034213/manifest.json
observed 681a512115b83232973b070ff787110e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.580502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034213/publication.md
observed a509740c5b6fbb423b6387984cad9d64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.560145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034213/publication.txt
observed f1c57e80cf5347f5dc0d688aaf776d8b...
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.