OpenTechnical

OT-2026-000075840

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000075840) never changes.

Identity and time

Publication numberOT-2026-000075840 · never reused
Internal UUID01a0ae94-29fe-726c-869a-ad074faa88df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075840
StatusPUBLIC

Content hashes

Canonical text7c585075f1703835ba1f2b893d8f64e86bc1e5d0dc60c1f7354530963efb369c
Markdowna1960ad37207148840526992a26bcab90cec2b3b7471d91eeacfb57c665d26ce
PDF
Publication paged8600a7793a1f82daa2005a8686b96611f6bc22e15fab3515a16946df014a3b1
Manifesteae1e239467429872a35c03dbe089a11a4a821b6a7156de2d18494036dc3f880

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
SignatureuMVbpHk+w7lVHY13w63YRvfg030fJJwwyZwdDWjkFSwimXfSx+0h8RtMCnZOxRJxvFYJIzQVDxGoJ4sqsnBLBg==
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

2026-09-17T10:14:30.996043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075840
observed d8600a7793a1f82daa2005a8686b9661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:30.978217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075840/manifest.json
observed eae1e239467429872a35c03dbe089a11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:30.958965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075840/publication.md
observed a1960ad37207148840526992a26bcab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:30.516413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075840/publication.txt
observed 7c585075f1703835ba1f2b893d8f64e8...
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.