OpenTechnical

OT-2026-000103791

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed blow-off 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-2026-000103791) never changes.

Identity and time

Publication numberOT-2026-000103791 · never reused
Internal UUID01a0aea4-e463-7360-8e71-6227a5d4cb61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103791
StatusPUBLIC

Content hashes

Canonical text8877a271d630e3524b22270590b85815769721e671cb10a9c5086293e37c9025
Markdownda8b50f01cf564af1c71c7f7801089955a3a77d11a01bd9c98598d21062fb8f9
PDF
Publication pageeb252a1444157395e4263561d7fbe1b49b24c57ac60547919d7e4579444ef818
Manifesta7fc3bdfbad7621441c353ef776064225a128dc640a25eeaf5b943fb5318ad5b

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
Signature1HdRJtgco5N9pWRwSlTGKmHLuFz18zXTWhR1gdeTqckNYtRTWO7HDxbhi9OuDsXlcJLfB+7TFdLIwuORJL8bDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:44.687103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103791
observed eb252a1444157395e4263561d7fbe1b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.671340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103791/manifest.json
observed a7fc3bdfbad7621441c353ef77606422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.656892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103791/publication.md
observed da8b50f01cf564af1c71c7f780108995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.639539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103791/publication.txt
observed 8877a271d630e3524b22270590b85815...
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.