OpenTechnical

OT-2026-000033619

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000033619) never changes.

Identity and time

Publication numberOT-2026-000033619 · never reused
Internal UUID01a0ae75-a38f-7c0d-bcee-1acdd46468e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033619
StatusPUBLIC

Content hashes

Canonical text94c1bbc1f1207aab332275c102ae01f893d564c2d62bf71001407ee6e98a2b13
Markdown8943f52490e6ade2aec92481a56afe91db464e52c1d79ae4f76409385ae64ac2
PDF
Publication page02fa4af5ef387aa88cd3a7db8f4918fe3e8e90471f48104ad0b935e3bab70f7e
Manifest3951ae6157ae3619509fce088c77ed735d007d457c0b644e5ed0a5f2548fe55a

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
Signature8ZdyYlx3rroMK24MNbktnnEJPcG6Oxux54Oa1R6Ve4U4yWg+p9AMlWcZO03bY7gVOU7wNJbJZ6A3h5Zg2ZNaDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:35.746731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033619
observed 02fa4af5ef387aa88cd3a7db8f4918fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.726153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033619/manifest.json
observed 3951ae6157ae3619509fce088c77ed73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.699952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033619/publication.md
observed 8943f52490e6ade2aec92481a56afe91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.682713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033619/publication.txt
observed 94c1bbc1f1207aab332275c102ae01f8...
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.