OpenTechnical

OT-2026-000071891

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000071891) never changes.

Identity and time

Publication numberOT-2026-000071891 · never reused
Internal UUID01a0ae92-1e93-77da-a552-d087fa28f0bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071891
StatusPUBLIC

Content hashes

Canonical texta0421e216174df81e7dd3ff0406eca32c248de4a244346c462b05b0d2b9b097e
Markdowncb346c8c0db488c11a68217b619958385e9eceff6722179aa72989165b41b64c
PDF
Publication paged31691efe9f57fc89faddba1cac75a9ea4199766f679ffd6799959eaba288ed4
Manifestb60d2b4e21d19459e292415c9c18d3f30a57ac2bf7e8d69da3626d00fe2f9a4a

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
Signaturei3xsz4CBH5gTxexo+bGamrGak97Bnwb90SAaamgGELqoUCdskoA1Idy0NGyXJJfg9HNbbTnPrwZfuNjoKsiOAQ==
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

2026-09-17T10:24:35.960842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071891
observed d31691efe9f57fc89faddba1cac75a9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:35.942636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071891/manifest.json
observed b60d2b4e21d19459e292415c9c18d3f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:35.928124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071891/publication.md
observed cb346c8c0db488c11a68217b61995838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:35.912711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071891/publication.txt
observed a0421e216174df81e7dd3ff0406eca32...
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.