OpenTechnical

OT-2026-000076167

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000076167) never changes.

Identity and time

Publication numberOT-2026-000076167 · never reused
Internal UUID01a0ae94-6a6f-7e88-98f0-07038e634aea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076167
StatusPUBLIC

Content hashes

Canonical text2e5477915039a1c11077e4e29359eca74d9dc2f48008368d48b0e859454d523c
Markdownbb92cb06a70ebebc79ffde7e5349723a03313636e30b4a84038162c652f09da5
PDF
Publication paged226732862920b3920e595f095204a2ad6082bd2d121099e0c87d3dc2d211551
Manifest1ac537e39047c4e4acd4382582c0cbe74fbb61a8176275820bb61f18d2bb62ae

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
SignatureDc5DyOn8MUD407So0GBci6+bEU7qfmHlFLoWjKIIXkM8FxVP6OJy0f8sPVIM1V/9fq9ay1Bkae3+vn6KbYYLBg==
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

2026-09-17T10:11:23.298277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076167
observed d226732862920b3920e595f095204a2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:23.278054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076167/manifest.json
observed 1ac537e39047c4e4acd4382582c0cbe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:23.261299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076167/publication.md
observed bb92cb06a70ebebc79ffde7e5349723a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:23.242116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076167/publication.txt
observed 2e5477915039a1c11077e4e29359eca7...
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.