OpenTechnical

OT-2026-000090705

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, sustained 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-2026-000090705) never changes.

Identity and time

Publication numberOT-2026-000090705 · never reused
Internal UUID01a0ae9c-7f31-7b57-b41f-892905e4b2ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090705
StatusPUBLIC

Content hashes

Canonical textda671230571b8e47cab1efb9f2565f209846b4023110ded611719c524ea94f83
Markdown211e3e9fb024237d6864dc23d782eb38b223c23fc62ef584bd48af610c34ea98
PDF
Publication pagecf1be7737797b3dfc12119da8196ede240e58be8c5ba55a6f826c0fbb94c3be6
Manifest9497c21747f289651abd7c69760674b1cf4b3238af28ae81795940adea5d12d8

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
Signature5Ib01hBTMvf/iqxbZ/xist7Ek06kKTeRTFQAaYFOi6R/Eeob44VfwyWpW1/3YEt3BhdIYnwwhOjuQidYVQgFDw==
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

2026-09-17T09:44:54.530809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090705
observed cf1be7737797b3dfc12119da8196ede2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:54.513208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090705/manifest.json
observed 9497c21747f289651abd7c69760674b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:54.496101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090705/publication.md
observed 211e3e9fb024237d6864dc23d782eb38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:54.476870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090705/publication.txt
observed da671230571b8e47cab1efb9f2565f20...
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.