OpenTechnical

OT-2026-000098451

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000098451) never changes.

Identity and time

Publication numberOT-2026-000098451 · never reused
Internal UUID01a0aea1-e965-7dfc-8988-9eb93f0890a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098451
StatusPUBLIC

Content hashes

Canonical text5157c6ace58b9cf86bee2accbd4573715a4d7d999a85718b8852a6aefd758905
Markdownc40872f5933aa2ed13d5c7240c1113ff6f66130eeaa12715e16432c07c5d8e24
PDF
Publication page105e483bdb66726e202058eb8cec6ff803f5e82faa536f10d5ca19a4b5f5c0e4
Manifest774d44114aea43473743e85d1f6577a97537d35bd3c719d6cee129ef3faf7364

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
Signatureb/lbCxo6VKlGutbYt7VKFg/khz/+GN2T1NNoX2/dnKtbK3WkmhBPh55LE1Ka4gXkJJNnWXdcV/ZB/RaINijMBg==
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

2026-09-17T09:32:18.636100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098451
observed 105e483bdb66726e202058eb8cec6ff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:18.620268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098451/manifest.json
observed 774d44114aea43473743e85d1f6577a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:18.603502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098451/publication.md
observed c40872f5933aa2ed13d5c7240c1113ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:18.587519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098451/publication.txt
observed 5157c6ace58b9cf86bee2accbd457371...
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.