OpenTechnical

OT-2026-000014073

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, pulsed 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-2026-000014073) never changes.

Identity and time

Publication numberOT-2026-000014073 · never reused
Internal UUID01a0ae6d-8deb-78d6-bf45-84f4c437de84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014073
StatusPUBLIC

Content hashes

Canonical text774942047ecba27dbdeaecf13c1dab5ecac263acc0fd2236e48b425f834f383c
Markdown087e552aff176364a3f43d0f042633ab48aa0948275eeae09f8cf9e8bbc340f6
PDF
Publication pagef814b32812e48ea09c4f935bd1e58b520439b929cac8ffed312a35d5b50e1a74
Manifest91057d460a3f6fc944d1f9961bc13d7f8a3f9737a2f6b76508966c6985db4f00

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
SignaturetToXN1Ik/j5GFBC5aai9FJr0NID2ZIslQENRJSNjK0pboVCk4LgBkQ71qI5CImlv0ZZGR/XCVXgHM8PhfF7SCw==
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

2026-09-17T12:09:19.305174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014073
observed f814b32812e48ea09c4f935bd1e58b52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.286492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014073/manifest.json
observed 91057d460a3f6fc944d1f9961bc13d7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.267589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014073/publication.md
observed 087e552aff176364a3f43d0f042633ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.249428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014073/publication.txt
observed 774942047ecba27dbdeaecf13c1dab5e...
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.