OpenTechnical

OT-2026-000045173

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000045173) never changes.

Identity and time

Publication numberOT-2026-000045173 · never reused
Internal UUID01a0ae7c-f769-732d-9b95-e7953cc14278 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045173
StatusPUBLIC

Content hashes

Canonical text528326e6648b9b561d36949cf5be5d6ed982574afc89739320858f4424d312e5
Markdownc76e9018c67c9351ca81e2eb3fb98c8ce085a3f9759b6138f8d6dc119d283cbe
PDF
Publication pagec0b7d5f1e18e2dfe2c14d08a13adcdaa77e9eacaa9448cd59efd55b6a304f05a
Manifestbfbd4c942ca67e7c8913687d5256465042ff738c04de23f95693027ce8f13e9a

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
SignatureSGU3BdkETrAMNznLWum8OhOYpJ2Mt7O/FlMWelkf6PGfevYHctiiTRr3d/2RXhhxQWYrzbUbzw9SAAOdTuIxBw==
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

2026-09-17T11:10:20.286137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045173
observed c0b7d5f1e18e2dfe2c14d08a13adcdaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:20.266356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045173/manifest.json
observed bfbd4c942ca67e7c8913687d52564650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:20.243926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045173/publication.md
observed c76e9018c67c9351ca81e2eb3fb98c8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:20.224988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045173/publication.txt
observed 528326e6648b9b561d36949cf5be5d6e...
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.