OpenTechnical

OT-2026-000078792

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, vented after set-down

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-2026-000078792) never changes.

Identity and time

Publication numberOT-2026-000078792 · never reused
Internal UUID01a0ae95-ccbd-7e63-bcda-f4e164c03c0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078792
StatusPUBLIC

Content hashes

Canonical text2d8f85653cc75f27c558ed86d448e4d9b32d40081e11a6f8529e7803744e1c80
Markdownc79b0ca9845d065ff045bda431fd09cec5a5f8b22071f8f6ecf1da24b157dc38
PDF
Publication pageb21601f2fb3e68647279905212d1b181e2aaad293ecd61227f03462cb5df6f2d
Manifestce78e7652571c2fded62431da0d2da9e7a8fccc47c42003d093ce14db8c641cc

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
Signature4WRTzkheGjbkXTwNIjYDuHI23y4OMq9qM05frUObBBfuP1gQcSsPCeEmpy8OffqP3pe6WrAMbHngW44JfkYOBQ==
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

2026-09-17T10:05:34.867436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078792
observed b21601f2fb3e68647279905212d1b181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:34.849841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078792/manifest.json
observed ce78e7652571c2fded62431da0d2da9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:34.831379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078792/publication.md
observed c79b0ca9845d065ff045bda431fd09ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:34.811171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078792/publication.txt
observed 2d8f85653cc75f27c558ed86d448e4d9...
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.