OpenTechnical

OT-2026-000069056

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000069056) never changes.

Identity and time

Publication numberOT-2026-000069056 · never reused
Internal UUID01a0ae90-6dce-7928-b26a-162a05db50b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069056
StatusPUBLIC

Content hashes

Canonical text0944d1438bb81e94266bb67ddf339d1b2507f3d4b3ecf2ad9dac442ee2fc7e3c
Markdownb168c9b7af715987824269980df3697a2ca61a44a9cfcf3d37fea60dd13f3eb3
PDF
Publication pageed1db605db83fb79d1052cc8c6aba6797de8e96f94b4fb0ded9f0c0f5fe42efb
Manifest20448c29cb3ac3b39b83e2654d1aefc0dc0ef5f7dc898dcfe0610f8df3a8e6e4

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
SignatureFP7Kw2ySayOXPCxr0f2sMgA5sqRW8RAzC1QmUKLPJtuEYnbNZgq8UfMEY3Sg8ihnjtH2h7af4vDkvVsoYnENCg==
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

2026-09-17T10:28:55.184040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069056
observed ed1db605db83fb79d1052cc8c6aba679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:55.167378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069056/manifest.json
observed 20448c29cb3ac3b39b83e2654d1aefc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:55.150784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069056/publication.md
observed b168c9b7af715987824269980df3697a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:55.133144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069056/publication.txt
observed 0944d1438bb81e94266bb67ddf339d1b...
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.