OpenTechnical

OT-2026-000043952

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000043952) never changes.

Identity and time

Publication numberOT-2026-000043952 · never reused
Internal UUID01a0ae7b-d678-7588-870a-52a01bf6c80f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043952
StatusPUBLIC

Content hashes

Canonical textf901b748209648816ea18a0c11d98336759ef05eecd1dc9be2b3c90153ed3b5d
Markdown5a5b3062eef5464f5b2eab99a67875511ded496321a2f91a2b484addafe249b8
PDF
Publication pagecbbadbdd7dc531d583d6675db950d0545a0ce91e99a5e2856566a5c23be9457e
Manifest62497c2d0abdcf836d21cd22175a9f55c64ef39f222d7cf4b0ca7b8489f7eb7c

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
SignaturetARwadsrGx3hAPkVBgm7NTpxC9bneGtTHZP3e2ZUbqnMB8CxJvofaSsyMhgH6i4QG1NXg33eXGtLi+Ct8csuAg==
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

2026-09-17T11:12:18.447310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043952
observed cbbadbdd7dc531d583d6675db950d054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.429116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043952/manifest.json
observed 62497c2d0abdcf836d21cd22175a9f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.410171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043952/publication.md
observed 5a5b3062eef5464f5b2eab99a6787551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.392150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043952/publication.txt
observed f901b748209648816ea18a0c11d98336...
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.