OpenTechnical

OT-2026-000071091

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000071091) never changes.

Identity and time

Publication numberOT-2026-000071091 · never reused
Internal UUID01a0ae91-8c2f-70c8-ab06-b6e968c0b377 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071091
StatusPUBLIC

Content hashes

Canonical text17bc2dbafd8e695ca60875b6c46aa87fe9f6f1393d7a3136d7ed7d0314e9dfde
Markdown6fd3b5d0d2c71742343a08b4f85ed4f928e139edced581179c2863684f3480f8
PDF
Publication page997997902ef3fa93d5c0090c3a6a9c9a566ce7509ec6ab434959a896a1797687
Manifeste256fc8e0b4b6575fe78aa2da5f01b7d9eff5fc88cc73bf88853212a6ec161d4

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
SignaturefOrChZ2pogoYPZ1qboZ77ky5zcDqcg1i3+ApUpKt9Xdvd0P01SK1cqHaCG9QwscyDIcDTe9c9sacoh8LGuGRAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:57.234724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071091
observed 997997902ef3fa93d5c0090c3a6a9c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:57.218500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071091/manifest.json
observed e256fc8e0b4b6575fe78aa2da5f01b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:57.204273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071091/publication.md
observed 6fd3b5d0d2c71742343a08b4f85ed4f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:57.188997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071091/publication.txt
observed 17bc2dbafd8e695ca60875b6c46aa87f...
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.