OpenTechnical

OT-2026-000003855

Publication integrity record

Vacuum cup gripper, two outlet manifold, three stage ejector, pressure verified, 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-2026-000003855) never changes.

Identity and time

Publication numberOT-2026-000003855 · never reused
Internal UUID01a0a90b-4348-71b6-852f-c6cef9fc9e13 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:02.762736Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003855
StatusPUBLIC

Content hashes

Canonical text23027cbcfabe92d35222cd8b3f16052459c720a930cef6059942d8503dc5f5f1
Markdowne3973905e0dbcd36ae21562c2817756f826557dfe7a9dd24f7b9bd67d201260b
PDF
Publication pageefd9e6858efb9e92e6e19552fbb1a9c0432687a352f9060773a3f63e75e79fec
Manifest9c937786a57c8798e9c7a703a6f3af8a88fcc343e8f5acc5ba72362f7a63d9e2

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
Signatureh5mo/U9fNzU7SPcUiP5QjjXMmUSGCtu/S3uICQgWh3uerjT6yaPjnJ9i6dAx+xojMwGNKJ4yrwFRuDl6OAJHBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:16.311230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003855
observed efd9e6858efb9e92e6e19552fbb1a9c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:16.297602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003855/manifest.json
observed 9c937786a57c8798e9c7a703a6f3af8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:16.283019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003855/publication.md
observed e3973905e0dbcd36ae21562c2817756f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:16.267481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003855/publication.txt
observed 23027cbcfabe92d35222cd8b3f160524...
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.